#include <vnet/ethernet/arp_packet.h> /* for ethernet_arp_header_t */
#include <vnet/ppp/ppp.h>
#include <vnet/srp/srp.h> /* for srp_hw_interface_class */
-#include <vnet/api_errno.h> /* for API error numbers */
-#include <vnet/fib/fib_table.h> /* for FIB table and entry creation */
-#include <vnet/fib/fib_entry.h> /* for FIB table and entry creation */
-#include <vnet/fib/fib_urpf_list.h> /* for FIB uRPF check */
+#include <vnet/api_errno.h> /* for API error numbers */
+#include <vnet/fib/fib_table.h> /* for FIB table and entry creation */
+#include <vnet/fib/fib_entry.h> /* for FIB table and entry creation */
+#include <vnet/fib/fib_urpf_list.h> /* for FIB uRPF check */
#include <vnet/fib/ip4_fib.h>
#include <vnet/dpo/load_balance.h>
#include <vnet/dpo/classify_dpo.h>
void
ip4_forward_next_trace (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame,
- vlib_rx_or_tx_t which_adj_index);
+ vlib_node_runtime_t * node,
+ vlib_frame_t * frame,
+ vlib_rx_or_tx_t which_adj_index);
always_inline uword
ip4_lookup_inline (vlib_main_t * vm,
vlib_frame_t * frame,
int lookup_for_responses_to_locally_received_packets)
{
- ip4_main_t * im = &ip4_main;
- vlib_combined_counter_main_t * cm = &load_balance_main.lbm_to_counters;
- u32 n_left_from, n_left_to_next, * from, * to_next;
+ ip4_main_t *im = &ip4_main;
+ vlib_combined_counter_main_t *cm = &load_balance_main.lbm_to_counters;
+ u32 n_left_from, n_left_to_next, *from, *to_next;
ip_lookup_next_t next;
- u32 cpu_index = os_get_cpu_number();
+ u32 cpu_index = os_get_cpu_number ();
from = vlib_frame_vector_args (frame);
n_left_from = frame->n_vectors;
while (n_left_from > 0)
{
- vlib_get_next_frame (vm, node, next,
- to_next, n_left_to_next);
+ vlib_get_next_frame (vm, node, next, to_next, n_left_to_next);
- while (n_left_from >= 4 && n_left_to_next >= 2)
- {
- vlib_buffer_t * p0, * p1;
- ip4_header_t * ip0, * ip1;
- __attribute__((unused)) tcp_header_t * tcp0, * tcp1;
- ip_lookup_next_t next0, next1;
- const load_balance_t * lb0, * lb1;
- ip4_fib_mtrie_t * mtrie0, * mtrie1;
- ip4_fib_mtrie_leaf_t leaf0, leaf1;
- ip4_address_t * dst_addr0, *dst_addr1;
- __attribute__((unused)) u32 pi0, fib_index0, lb_index0, is_tcp_udp0;
- __attribute__((unused)) u32 pi1, fib_index1, lb_index1, is_tcp_udp1;
- flow_hash_config_t flow_hash_config0, flow_hash_config1;
- u32 hash_c0, hash_c1;
- u32 wrong_next;
- const dpo_id_t *dpo0, *dpo1;
+ while (n_left_from >= 8 && n_left_to_next >= 4)
+ {
+ vlib_buffer_t *p0, *p1, *p2, *p3;
+ ip4_header_t *ip0, *ip1, *ip2, *ip3;
+ __attribute__ ((unused)) tcp_header_t *tcp0, *tcp1, *tcp2, *tcp3;
+ ip_lookup_next_t next0, next1, next2, next3;
+ const load_balance_t *lb0, *lb1, *lb2, *lb3;
+ ip4_fib_mtrie_t *mtrie0, *mtrie1, *mtrie2, *mtrie3;
+ ip4_fib_mtrie_leaf_t leaf0, leaf1, leaf2, leaf3;
+ ip4_address_t *dst_addr0, *dst_addr1, *dst_addr2, *dst_addr3;
+ __attribute__ ((unused)) u32 pi0, fib_index0, lb_index0,
+ is_tcp_udp0;
+ __attribute__ ((unused)) u32 pi1, fib_index1, lb_index1,
+ is_tcp_udp1;
+ __attribute__ ((unused)) u32 pi2, fib_index2, lb_index2,
+ is_tcp_udp2;
+ __attribute__ ((unused)) u32 pi3, fib_index3, lb_index3,
+ is_tcp_udp3;
+ flow_hash_config_t flow_hash_config0, flow_hash_config1;
+ flow_hash_config_t flow_hash_config2, flow_hash_config3;
+ u32 hash_c0, hash_c1, hash_c2, hash_c3;
+ const dpo_id_t *dpo0, *dpo1, *dpo2, *dpo3;
- /* Prefetch next iteration. */
- {
- vlib_buffer_t * p2, * p3;
+ /* Prefetch next iteration. */
+ {
+ vlib_buffer_t *p4, *p5, *p6, *p7;
+
+ p4 = vlib_get_buffer (vm, from[4]);
+ p5 = vlib_get_buffer (vm, from[5]);
+ p6 = vlib_get_buffer (vm, from[6]);
+ p7 = vlib_get_buffer (vm, from[7]);
+
+ vlib_prefetch_buffer_header (p4, LOAD);
+ vlib_prefetch_buffer_header (p5, LOAD);
+ vlib_prefetch_buffer_header (p6, LOAD);
+ vlib_prefetch_buffer_header (p7, LOAD);
+
+ CLIB_PREFETCH (p4->data, sizeof (ip0[0]), LOAD);
+ CLIB_PREFETCH (p5->data, sizeof (ip0[0]), LOAD);
+ CLIB_PREFETCH (p6->data, sizeof (ip0[0]), LOAD);
+ CLIB_PREFETCH (p7->data, sizeof (ip0[0]), LOAD);
+ }
- p2 = vlib_get_buffer (vm, from[2]);
- p3 = vlib_get_buffer (vm, from[3]);
+ pi0 = to_next[0] = from[0];
+ pi1 = to_next[1] = from[1];
+ pi2 = to_next[2] = from[2];
+ pi3 = to_next[3] = from[3];
- vlib_prefetch_buffer_header (p2, LOAD);
- vlib_prefetch_buffer_header (p3, LOAD);
+ from += 4;
+ to_next += 4;
+ n_left_to_next -= 4;
+ n_left_from -= 4;
- CLIB_PREFETCH (p2->data, sizeof (ip0[0]), LOAD);
- CLIB_PREFETCH (p3->data, sizeof (ip0[0]), LOAD);
- }
+ p0 = vlib_get_buffer (vm, pi0);
+ p1 = vlib_get_buffer (vm, pi1);
+ p2 = vlib_get_buffer (vm, pi2);
+ p3 = vlib_get_buffer (vm, pi3);
+
+ ip0 = vlib_buffer_get_current (p0);
+ ip1 = vlib_buffer_get_current (p1);
+ ip2 = vlib_buffer_get_current (p2);
+ ip3 = vlib_buffer_get_current (p3);
- pi0 = to_next[0] = from[0];
- pi1 = to_next[1] = from[1];
+ dst_addr0 = &ip0->dst_address;
+ dst_addr1 = &ip1->dst_address;
+ dst_addr2 = &ip2->dst_address;
+ dst_addr3 = &ip3->dst_address;
+
+ fib_index0 =
+ vec_elt (im->fib_index_by_sw_if_index,
+ vnet_buffer (p0)->sw_if_index[VLIB_RX]);
+ fib_index1 =
+ vec_elt (im->fib_index_by_sw_if_index,
+ vnet_buffer (p1)->sw_if_index[VLIB_RX]);
+ fib_index2 =
+ vec_elt (im->fib_index_by_sw_if_index,
+ vnet_buffer (p2)->sw_if_index[VLIB_RX]);
+ fib_index3 =
+ vec_elt (im->fib_index_by_sw_if_index,
+ vnet_buffer (p3)->sw_if_index[VLIB_RX]);
+ fib_index0 =
+ (vnet_buffer (p0)->sw_if_index[VLIB_TX] ==
+ (u32) ~ 0) ? fib_index0 : vnet_buffer (p0)->sw_if_index[VLIB_TX];
+ fib_index1 =
+ (vnet_buffer (p1)->sw_if_index[VLIB_TX] ==
+ (u32) ~ 0) ? fib_index1 : vnet_buffer (p1)->sw_if_index[VLIB_TX];
+ fib_index2 =
+ (vnet_buffer (p2)->sw_if_index[VLIB_TX] ==
+ (u32) ~ 0) ? fib_index2 : vnet_buffer (p2)->sw_if_index[VLIB_TX];
+ fib_index3 =
+ (vnet_buffer (p3)->sw_if_index[VLIB_TX] ==
+ (u32) ~ 0) ? fib_index3 : vnet_buffer (p3)->sw_if_index[VLIB_TX];
+
+
+ if (!lookup_for_responses_to_locally_received_packets)
+ {
+ mtrie0 = &ip4_fib_get (fib_index0)->mtrie;
+ mtrie1 = &ip4_fib_get (fib_index1)->mtrie;
+ mtrie2 = &ip4_fib_get (fib_index2)->mtrie;
+ mtrie3 = &ip4_fib_get (fib_index3)->mtrie;
- p0 = vlib_get_buffer (vm, pi0);
- p1 = vlib_get_buffer (vm, pi1);
+ leaf0 = leaf1 = leaf2 = leaf3 = IP4_FIB_MTRIE_LEAF_ROOT;
- ip0 = vlib_buffer_get_current (p0);
- ip1 = vlib_buffer_get_current (p1);
+ leaf0 = ip4_fib_mtrie_lookup_step (mtrie0, leaf0, dst_addr0, 0);
+ leaf1 = ip4_fib_mtrie_lookup_step (mtrie1, leaf1, dst_addr1, 0);
+ leaf2 = ip4_fib_mtrie_lookup_step (mtrie2, leaf2, dst_addr2, 0);
+ leaf3 = ip4_fib_mtrie_lookup_step (mtrie3, leaf3, dst_addr3, 0);
+ }
- dst_addr0 = &ip0->dst_address;
- dst_addr1 = &ip1->dst_address;
+ tcp0 = (void *) (ip0 + 1);
+ tcp1 = (void *) (ip1 + 1);
+ tcp2 = (void *) (ip2 + 1);
+ tcp3 = (void *) (ip3 + 1);
- fib_index0 = vec_elt (im->fib_index_by_sw_if_index, vnet_buffer (p0)->sw_if_index[VLIB_RX]);
- fib_index1 = vec_elt (im->fib_index_by_sw_if_index, vnet_buffer (p1)->sw_if_index[VLIB_RX]);
- fib_index0 = (vnet_buffer(p0)->sw_if_index[VLIB_TX] == (u32)~0) ?
- fib_index0 : vnet_buffer(p0)->sw_if_index[VLIB_TX];
- fib_index1 = (vnet_buffer(p1)->sw_if_index[VLIB_TX] == (u32)~0) ?
- fib_index1 : vnet_buffer(p1)->sw_if_index[VLIB_TX];
+ is_tcp_udp0 = (ip0->protocol == IP_PROTOCOL_TCP
+ || ip0->protocol == IP_PROTOCOL_UDP);
+ is_tcp_udp1 = (ip1->protocol == IP_PROTOCOL_TCP
+ || ip1->protocol == IP_PROTOCOL_UDP);
+ is_tcp_udp2 = (ip2->protocol == IP_PROTOCOL_TCP
+ || ip2->protocol == IP_PROTOCOL_UDP);
+ is_tcp_udp3 = (ip1->protocol == IP_PROTOCOL_TCP
+ || ip1->protocol == IP_PROTOCOL_UDP);
+
+ if (!lookup_for_responses_to_locally_received_packets)
+ {
+ leaf0 = ip4_fib_mtrie_lookup_step (mtrie0, leaf0, dst_addr0, 1);
+ leaf1 = ip4_fib_mtrie_lookup_step (mtrie1, leaf1, dst_addr1, 1);
+ leaf2 = ip4_fib_mtrie_lookup_step (mtrie2, leaf2, dst_addr2, 1);
+ leaf3 = ip4_fib_mtrie_lookup_step (mtrie3, leaf3, dst_addr3, 1);
+ }
+ if (!lookup_for_responses_to_locally_received_packets)
+ {
+ leaf0 = ip4_fib_mtrie_lookup_step (mtrie0, leaf0, dst_addr0, 2);
+ leaf1 = ip4_fib_mtrie_lookup_step (mtrie1, leaf1, dst_addr1, 2);
+ leaf2 = ip4_fib_mtrie_lookup_step (mtrie2, leaf2, dst_addr2, 2);
+ leaf3 = ip4_fib_mtrie_lookup_step (mtrie3, leaf3, dst_addr3, 2);
+ }
- if (! lookup_for_responses_to_locally_received_packets)
- {
- mtrie0 = &ip4_fib_get (fib_index0)->mtrie;
- mtrie1 = &ip4_fib_get (fib_index1)->mtrie;
+ if (!lookup_for_responses_to_locally_received_packets)
+ {
+ leaf0 = ip4_fib_mtrie_lookup_step (mtrie0, leaf0, dst_addr0, 3);
+ leaf1 = ip4_fib_mtrie_lookup_step (mtrie1, leaf1, dst_addr1, 3);
+ leaf2 = ip4_fib_mtrie_lookup_step (mtrie2, leaf2, dst_addr2, 3);
+ leaf3 = ip4_fib_mtrie_lookup_step (mtrie3, leaf3, dst_addr3, 3);
+ }
- leaf0 = leaf1 = IP4_FIB_MTRIE_LEAF_ROOT;
-
- leaf0 = ip4_fib_mtrie_lookup_step (mtrie0, leaf0, dst_addr0, 0);
- leaf1 = ip4_fib_mtrie_lookup_step (mtrie1, leaf1, dst_addr1, 0);
- }
-
- tcp0 = (void *) (ip0 + 1);
- tcp1 = (void *) (ip1 + 1);
-
- is_tcp_udp0 = (ip0->protocol == IP_PROTOCOL_TCP
- || ip0->protocol == IP_PROTOCOL_UDP);
- is_tcp_udp1 = (ip1->protocol == IP_PROTOCOL_TCP
- || ip1->protocol == IP_PROTOCOL_UDP);
-
- if (! lookup_for_responses_to_locally_received_packets)
- {
- leaf0 = ip4_fib_mtrie_lookup_step (mtrie0, leaf0, dst_addr0, 1);
- leaf1 = ip4_fib_mtrie_lookup_step (mtrie1, leaf1, dst_addr1, 1);
- }
-
- if (! lookup_for_responses_to_locally_received_packets)
- {
- leaf0 = ip4_fib_mtrie_lookup_step (mtrie0, leaf0, dst_addr0, 2);
- leaf1 = ip4_fib_mtrie_lookup_step (mtrie1, leaf1, dst_addr1, 2);
- }
-
- if (! lookup_for_responses_to_locally_received_packets)
- {
- leaf0 = ip4_fib_mtrie_lookup_step (mtrie0, leaf0, dst_addr0, 3);
- leaf1 = ip4_fib_mtrie_lookup_step (mtrie1, leaf1, dst_addr1, 3);
- }
-
- if (lookup_for_responses_to_locally_received_packets)
- {
- lb_index0 = vnet_buffer (p0)->ip.adj_index[VLIB_RX];
- lb_index1 = vnet_buffer (p1)->ip.adj_index[VLIB_RX];
- }
- else
- {
- /* Handle default route. */
- leaf0 = (leaf0 == IP4_FIB_MTRIE_LEAF_EMPTY ? mtrie0->default_leaf : leaf0);
- leaf1 = (leaf1 == IP4_FIB_MTRIE_LEAF_EMPTY ? mtrie1->default_leaf : leaf1);
-
- lb_index0 = ip4_fib_mtrie_leaf_get_adj_index (leaf0);
- lb_index1 = ip4_fib_mtrie_leaf_get_adj_index (leaf1);
- }
+ if (lookup_for_responses_to_locally_received_packets)
+ {
+ lb_index0 = vnet_buffer (p0)->ip.adj_index[VLIB_RX];
+ lb_index1 = vnet_buffer (p1)->ip.adj_index[VLIB_RX];
+ lb_index2 = vnet_buffer (p2)->ip.adj_index[VLIB_RX];
+ lb_index3 = vnet_buffer (p3)->ip.adj_index[VLIB_RX];
+ }
+ else
+ {
+ /* Handle default route. */
+ leaf0 =
+ (leaf0 ==
+ IP4_FIB_MTRIE_LEAF_EMPTY ? mtrie0->default_leaf : leaf0);
+ leaf1 =
+ (leaf1 ==
+ IP4_FIB_MTRIE_LEAF_EMPTY ? mtrie1->default_leaf : leaf1);
+ leaf2 =
+ (leaf2 ==
+ IP4_FIB_MTRIE_LEAF_EMPTY ? mtrie2->default_leaf : leaf2);
+ leaf3 =
+ (leaf3 ==
+ IP4_FIB_MTRIE_LEAF_EMPTY ? mtrie3->default_leaf : leaf3);
+ lb_index0 = ip4_fib_mtrie_leaf_get_adj_index (leaf0);
+ lb_index1 = ip4_fib_mtrie_leaf_get_adj_index (leaf1);
+ lb_index2 = ip4_fib_mtrie_leaf_get_adj_index (leaf2);
+ lb_index3 = ip4_fib_mtrie_leaf_get_adj_index (leaf3);
+ }
lb0 = load_balance_get (lb_index0);
lb1 = load_balance_get (lb_index1);
+ lb2 = load_balance_get (lb_index2);
+ lb3 = load_balance_get (lb_index3);
- /* Use flow hash to compute multipath adjacency. */
- hash_c0 = vnet_buffer (p0)->ip.flow_hash = 0;
- hash_c1 = vnet_buffer (p1)->ip.flow_hash = 0;
- if (PREDICT_FALSE (lb0->lb_n_buckets > 1))
- {
- flow_hash_config0 = lb0->lb_hash_config;
- hash_c0 = vnet_buffer (p0)->ip.flow_hash =
- ip4_compute_flow_hash (ip0, flow_hash_config0);
- }
- if (PREDICT_FALSE(lb1->lb_n_buckets > 1))
- {
+ /* Use flow hash to compute multipath adjacency. */
+ hash_c0 = vnet_buffer (p0)->ip.flow_hash = 0;
+ hash_c1 = vnet_buffer (p1)->ip.flow_hash = 0;
+ hash_c2 = vnet_buffer (p2)->ip.flow_hash = 0;
+ hash_c3 = vnet_buffer (p3)->ip.flow_hash = 0;
+ if (PREDICT_FALSE (lb0->lb_n_buckets > 1))
+ {
+ flow_hash_config0 = lb0->lb_hash_config;
+ hash_c0 = vnet_buffer (p0)->ip.flow_hash =
+ ip4_compute_flow_hash (ip0, flow_hash_config0);
+ }
+ if (PREDICT_FALSE (lb1->lb_n_buckets > 1))
+ {
flow_hash_config1 = lb1->lb_hash_config;
- hash_c1 = vnet_buffer (p1)->ip.flow_hash =
- ip4_compute_flow_hash (ip1, flow_hash_config1);
- }
+ hash_c1 = vnet_buffer (p1)->ip.flow_hash =
+ ip4_compute_flow_hash (ip1, flow_hash_config1);
+ }
+ if (PREDICT_FALSE (lb2->lb_n_buckets > 1))
+ {
+ flow_hash_config2 = lb2->lb_hash_config;
+ hash_c2 = vnet_buffer (p2)->ip.flow_hash =
+ ip4_compute_flow_hash (ip2, flow_hash_config2);
+ }
+ if (PREDICT_FALSE (lb3->lb_n_buckets > 1))
+ {
+ flow_hash_config3 = lb3->lb_hash_config;
+ hash_c3 = vnet_buffer (p3)->ip.flow_hash =
+ ip4_compute_flow_hash (ip3, flow_hash_config3);
+ }
ASSERT (lb0->lb_n_buckets > 0);
ASSERT (is_pow2 (lb0->lb_n_buckets));
- ASSERT (lb1->lb_n_buckets > 0);
+ ASSERT (lb1->lb_n_buckets > 0);
ASSERT (is_pow2 (lb1->lb_n_buckets));
-
- dpo0 = load_balance_get_bucket_i(lb0,
- (hash_c0 &
- (lb0->lb_n_buckets_minus_1)));
- dpo1 = load_balance_get_bucket_i(lb1,
- (hash_c1 &
- (lb0->lb_n_buckets_minus_1)));
+ ASSERT (lb2->lb_n_buckets > 0);
+ ASSERT (is_pow2 (lb2->lb_n_buckets));
+ ASSERT (lb3->lb_n_buckets > 0);
+ ASSERT (is_pow2 (lb3->lb_n_buckets));
+
+ dpo0 = load_balance_get_bucket_i (lb0,
+ (hash_c0 &
+ (lb0->lb_n_buckets_minus_1)));
+ dpo1 = load_balance_get_bucket_i (lb1,
+ (hash_c1 &
+ (lb1->lb_n_buckets_minus_1)));
+ dpo2 = load_balance_get_bucket_i (lb2,
+ (hash_c2 &
+ (lb2->lb_n_buckets_minus_1)));
+ dpo3 = load_balance_get_bucket_i (lb3,
+ (hash_c3 &
+ (lb3->lb_n_buckets_minus_1)));
next0 = dpo0->dpoi_next_node;
vnet_buffer (p0)->ip.adj_index[VLIB_TX] = dpo0->dpoi_index;
next1 = dpo1->dpoi_next_node;
vnet_buffer (p1)->ip.adj_index[VLIB_TX] = dpo1->dpoi_index;
+ next2 = dpo2->dpoi_next_node;
+ vnet_buffer (p2)->ip.adj_index[VLIB_TX] = dpo2->dpoi_index;
+ next3 = dpo3->dpoi_next_node;
+ vnet_buffer (p3)->ip.adj_index[VLIB_TX] = dpo3->dpoi_index;
- vlib_increment_combined_counter
- (cm, cpu_index, lb_index0, 1,
- vlib_buffer_length_in_chain (vm, p0)
- + sizeof(ethernet_header_t));
- vlib_increment_combined_counter
- (cm, cpu_index, lb_index1, 1,
- vlib_buffer_length_in_chain (vm, p1)
- + sizeof(ethernet_header_t));
-
- from += 2;
- to_next += 2;
- n_left_to_next -= 2;
- n_left_from -= 2;
-
- wrong_next = (next0 != next) + 2*(next1 != next);
- if (PREDICT_FALSE (wrong_next != 0))
- {
- switch (wrong_next)
- {
- case 1:
- /* A B A */
- to_next[-2] = pi1;
- to_next -= 1;
- n_left_to_next += 1;
- vlib_set_next_frame_buffer (vm, node, next0, pi0);
- break;
-
- case 2:
- /* A A B */
- to_next -= 1;
- n_left_to_next += 1;
- vlib_set_next_frame_buffer (vm, node, next1, pi1);
- break;
-
- case 3:
- /* A B C */
- to_next -= 2;
- n_left_to_next += 2;
- vlib_set_next_frame_buffer (vm, node, next0, pi0);
- vlib_set_next_frame_buffer (vm, node, next1, pi1);
- if (next0 == next1)
- {
- /* A B B */
- vlib_put_next_frame (vm, node, next, n_left_to_next);
- next = next1;
- vlib_get_next_frame (vm, node, next, to_next, n_left_to_next);
- }
- }
- }
- }
+ vlib_increment_combined_counter
+ (cm, cpu_index, lb_index0, 1,
+ vlib_buffer_length_in_chain (vm, p0)
+ + sizeof (ethernet_header_t));
+ vlib_increment_combined_counter
+ (cm, cpu_index, lb_index1, 1,
+ vlib_buffer_length_in_chain (vm, p1)
+ + sizeof (ethernet_header_t));
+ vlib_increment_combined_counter
+ (cm, cpu_index, lb_index2, 1,
+ vlib_buffer_length_in_chain (vm, p2)
+ + sizeof (ethernet_header_t));
+ vlib_increment_combined_counter
+ (cm, cpu_index, lb_index3, 1,
+ vlib_buffer_length_in_chain (vm, p3)
+ + sizeof (ethernet_header_t));
+
+ vlib_validate_buffer_enqueue_x4 (vm, node, next,
+ to_next, n_left_to_next,
+ pi0, pi1, pi2, pi3,
+ next0, next1, next2, next3);
+ }
while (n_left_from > 0 && n_left_to_next > 0)
{
- vlib_buffer_t * p0;
- ip4_header_t * ip0;
- __attribute__((unused)) tcp_header_t * tcp0;
+ vlib_buffer_t *p0;
+ ip4_header_t *ip0;
+ __attribute__ ((unused)) tcp_header_t *tcp0;
ip_lookup_next_t next0;
const load_balance_t *lb0;
- ip4_fib_mtrie_t * mtrie0;
+ ip4_fib_mtrie_t *mtrie0;
ip4_fib_mtrie_leaf_t leaf0;
- ip4_address_t * dst_addr0;
- __attribute__((unused)) u32 pi0, fib_index0, is_tcp_udp0, lbi0;
- flow_hash_config_t flow_hash_config0;
+ ip4_address_t *dst_addr0;
+ __attribute__ ((unused)) u32 pi0, fib_index0, is_tcp_udp0, lbi0;
+ flow_hash_config_t flow_hash_config0;
const dpo_id_t *dpo0;
u32 hash_c0;
dst_addr0 = &ip0->dst_address;
- fib_index0 = vec_elt (im->fib_index_by_sw_if_index, vnet_buffer (p0)->sw_if_index[VLIB_RX]);
- fib_index0 = (vnet_buffer(p0)->sw_if_index[VLIB_TX] == (u32)~0) ?
- fib_index0 : vnet_buffer(p0)->sw_if_index[VLIB_TX];
+ fib_index0 =
+ vec_elt (im->fib_index_by_sw_if_index,
+ vnet_buffer (p0)->sw_if_index[VLIB_RX]);
+ fib_index0 =
+ (vnet_buffer (p0)->sw_if_index[VLIB_TX] ==
+ (u32) ~ 0) ? fib_index0 : vnet_buffer (p0)->sw_if_index[VLIB_TX];
- if (! lookup_for_responses_to_locally_received_packets)
+ if (!lookup_for_responses_to_locally_received_packets)
{
- mtrie0 = &ip4_fib_get( fib_index0)->mtrie;
+ mtrie0 = &ip4_fib_get (fib_index0)->mtrie;
leaf0 = IP4_FIB_MTRIE_LEAF_ROOT;
is_tcp_udp0 = (ip0->protocol == IP_PROTOCOL_TCP
|| ip0->protocol == IP_PROTOCOL_UDP);
- if (! lookup_for_responses_to_locally_received_packets)
+ if (!lookup_for_responses_to_locally_received_packets)
leaf0 = ip4_fib_mtrie_lookup_step (mtrie0, leaf0, dst_addr0, 1);
- if (! lookup_for_responses_to_locally_received_packets)
+ if (!lookup_for_responses_to_locally_received_packets)
leaf0 = ip4_fib_mtrie_lookup_step (mtrie0, leaf0, dst_addr0, 2);
- if (! lookup_for_responses_to_locally_received_packets)
+ if (!lookup_for_responses_to_locally_received_packets)
leaf0 = ip4_fib_mtrie_lookup_step (mtrie0, leaf0, dst_addr0, 3);
if (lookup_for_responses_to_locally_received_packets)
else
{
/* Handle default route. */
- leaf0 = (leaf0 == IP4_FIB_MTRIE_LEAF_EMPTY ? mtrie0->default_leaf : leaf0);
+ leaf0 =
+ (leaf0 ==
+ IP4_FIB_MTRIE_LEAF_EMPTY ? mtrie0->default_leaf : leaf0);
lbi0 = ip4_fib_mtrie_leaf_get_adj_index (leaf0);
}
lb0 = load_balance_get (lbi0);
/* Use flow hash to compute multipath adjacency. */
- hash_c0 = vnet_buffer (p0)->ip.flow_hash = 0;
- if (PREDICT_FALSE(lb0->lb_n_buckets > 1))
- {
+ hash_c0 = vnet_buffer (p0)->ip.flow_hash = 0;
+ if (PREDICT_FALSE (lb0->lb_n_buckets > 1))
+ {
flow_hash_config0 = lb0->lb_hash_config;
- hash_c0 = vnet_buffer (p0)->ip.flow_hash =
- ip4_compute_flow_hash (ip0, flow_hash_config0);
- }
+ hash_c0 = vnet_buffer (p0)->ip.flow_hash =
+ ip4_compute_flow_hash (ip0, flow_hash_config0);
+ }
ASSERT (lb0->lb_n_buckets > 0);
ASSERT (is_pow2 (lb0->lb_n_buckets));
- dpo0 = load_balance_get_bucket_i(lb0,
- (hash_c0 &
- (lb0->lb_n_buckets_minus_1)));
+ dpo0 = load_balance_get_bucket_i (lb0,
+ (hash_c0 &
+ (lb0->lb_n_buckets_minus_1)));
next0 = dpo0->dpoi_next_node;
vnet_buffer (p0)->ip.adj_index[VLIB_TX] = dpo0->dpoi_index;
vlib_increment_combined_counter
- (cm, cpu_index, lbi0, 1,
- vlib_buffer_length_in_chain (vm, p0));
+ (cm, cpu_index, lbi0, 1, vlib_buffer_length_in_chain (vm, p0));
from += 1;
to_next += 1;
n_left_to_next += 1;
vlib_put_next_frame (vm, node, next, n_left_to_next);
next = next0;
- vlib_get_next_frame (vm, node, next,
- to_next, n_left_to_next);
+ vlib_get_next_frame (vm, node, next, to_next, n_left_to_next);
to_next[0] = pi0;
to_next += 1;
n_left_to_next -= 1;
}
if (node->flags & VLIB_NODE_FLAG_TRACE)
- ip4_forward_next_trace(vm, node, frame, VLIB_TX);
+ ip4_forward_next_trace (vm, node, frame, VLIB_TX);
return frame->n_vectors;
}
*/
static uword
ip4_lookup (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
+ vlib_node_runtime_t * node, vlib_frame_t * frame)
{
return ip4_lookup_inline (vm, node, frame,
- /* lookup_for_responses_to_locally_received_packets */ 0);
+ /* lookup_for_responses_to_locally_received_packets */
+ 0);
}
-static u8 * format_ip4_lookup_trace (u8 * s, va_list * args);
-
-VLIB_REGISTER_NODE (ip4_lookup_node) = {
- .function = ip4_lookup,
- .name = "ip4-lookup",
- .vector_size = sizeof (u32),
+static u8 *format_ip4_lookup_trace (u8 * s, va_list * args);
- .format_trace = format_ip4_lookup_trace,
- .n_next_nodes = IP_LOOKUP_N_NEXT,
- .next_nodes = IP4_LOOKUP_NEXT_NODES,
-};
+VLIB_REGISTER_NODE (ip4_lookup_node) =
+{
+.function = ip4_lookup,.name = "ip4-lookup",.vector_size =
+ sizeof (u32),.format_trace = format_ip4_lookup_trace,.n_next_nodes =
+ IP_LOOKUP_N_NEXT,.next_nodes = IP4_LOOKUP_NEXT_NODES,};
-VLIB_NODE_FUNCTION_MULTIARCH (ip4_lookup_node, ip4_lookup)
+VLIB_NODE_FUNCTION_MULTIARCH (ip4_lookup_node, ip4_lookup);
always_inline uword
ip4_load_balance (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
+ vlib_node_runtime_t * node, vlib_frame_t * frame)
{
- vlib_combined_counter_main_t * cm = &load_balance_main.lbm_via_counters;
- u32 n_left_from, n_left_to_next, * from, * to_next;
+ vlib_combined_counter_main_t *cm = &load_balance_main.lbm_via_counters;
+ u32 n_left_from, n_left_to_next, *from, *to_next;
ip_lookup_next_t next;
- u32 cpu_index = os_get_cpu_number();
+ u32 cpu_index = os_get_cpu_number ();
from = vlib_frame_vector_args (frame);
n_left_from = frame->n_vectors;
next = node->cached_next_index;
if (node->flags & VLIB_NODE_FLAG_TRACE)
- ip4_forward_next_trace(vm, node, frame, VLIB_TX);
+ ip4_forward_next_trace (vm, node, frame, VLIB_TX);
while (n_left_from > 0)
{
- vlib_get_next_frame (vm, node, next,
- to_next, n_left_to_next);
+ vlib_get_next_frame (vm, node, next, to_next, n_left_to_next);
+
+
+ while (n_left_from >= 4 && n_left_to_next >= 2)
+ {
+ ip_lookup_next_t next0, next1;
+ const load_balance_t *lb0, *lb1;
+ vlib_buffer_t *p0, *p1;
+ u32 pi0, lbi0, hc0, pi1, lbi1, hc1;
+ const ip4_header_t *ip0, *ip1;
+ const dpo_id_t *dpo0, *dpo1;
+
+ /* Prefetch next iteration. */
+ {
+ vlib_buffer_t *p2, *p3;
+
+ p2 = vlib_get_buffer (vm, from[2]);
+ p3 = vlib_get_buffer (vm, from[3]);
+
+ vlib_prefetch_buffer_header (p2, STORE);
+ vlib_prefetch_buffer_header (p3, STORE);
+
+ CLIB_PREFETCH (p2->data, sizeof (ip0[0]), STORE);
+ CLIB_PREFETCH (p3->data, sizeof (ip0[0]), STORE);
+ }
+
+ pi0 = to_next[0] = from[0];
+ pi1 = to_next[1] = from[1];
+
+ from += 2;
+ n_left_from -= 2;
+ to_next += 2;
+ n_left_to_next -= 2;
+
+ p0 = vlib_get_buffer (vm, pi0);
+ p1 = vlib_get_buffer (vm, pi1);
+
+ ip0 = vlib_buffer_get_current (p0);
+ ip1 = vlib_buffer_get_current (p1);
+ lbi0 = vnet_buffer (p0)->ip.adj_index[VLIB_TX];
+ lbi1 = vnet_buffer (p1)->ip.adj_index[VLIB_TX];
+
+ lb0 = load_balance_get (lbi0);
+ lb1 = load_balance_get (lbi1);
+
+ /*
+ * this node is for via FIBs we can re-use the hash value from the
+ * to node if present.
+ * We don't want to use the same hash value at each level in the recursion
+ * graph as that would lead to polarisation
+ */
+ hc0 = vnet_buffer (p0)->ip.flow_hash = 0;
+ hc1 = vnet_buffer (p1)->ip.flow_hash = 0;
+ if (PREDICT_FALSE (lb0->lb_n_buckets > 1))
+ {
+ if (PREDICT_TRUE (vnet_buffer (p0)->ip.flow_hash))
+ {
+ hc0 = vnet_buffer (p0)->ip.flow_hash =
+ vnet_buffer (p0)->ip.flow_hash >> 1;
+ }
+ else
+ {
+ hc0 = vnet_buffer (p0)->ip.flow_hash =
+ ip4_compute_flow_hash (ip0, hc0);
+ }
+ }
+ if (PREDICT_FALSE (lb1->lb_n_buckets > 1))
+ {
+ if (PREDICT_TRUE (vnet_buffer (p1)->ip.flow_hash))
+ {
+ hc1 = vnet_buffer (p1)->ip.flow_hash =
+ vnet_buffer (p1)->ip.flow_hash >> 1;
+ }
+ else
+ {
+ hc1 = vnet_buffer (p1)->ip.flow_hash =
+ ip4_compute_flow_hash (ip1, hc1);
+ }
+ }
+
+ dpo0 =
+ load_balance_get_bucket_i (lb0,
+ hc0 & (lb0->lb_n_buckets_minus_1));
+ dpo1 =
+ load_balance_get_bucket_i (lb1,
+ hc1 & (lb1->lb_n_buckets_minus_1));
+
+ next0 = dpo0->dpoi_next_node;
+ next1 = dpo1->dpoi_next_node;
+
+ vnet_buffer (p0)->ip.adj_index[VLIB_TX] = dpo0->dpoi_index;
+ vnet_buffer (p1)->ip.adj_index[VLIB_TX] = dpo1->dpoi_index;
+
+ vlib_increment_combined_counter
+ (cm, cpu_index, lbi0, 1, vlib_buffer_length_in_chain (vm, p0));
+ vlib_increment_combined_counter
+ (cm, cpu_index, lbi1, 1, vlib_buffer_length_in_chain (vm, p1));
+
+ vlib_validate_buffer_enqueue_x2 (vm, node, next,
+ to_next, n_left_to_next,
+ pi0, pi1, next0, next1);
+ }
while (n_left_from > 0 && n_left_to_next > 0)
{
ip_lookup_next_t next0;
const load_balance_t *lb0;
- vlib_buffer_t * p0;
+ vlib_buffer_t *p0;
u32 pi0, lbi0, hc0;
const ip4_header_t *ip0;
const dpo_id_t *dpo0;
pi0 = from[0];
to_next[0] = pi0;
+ from += 1;
+ to_next += 1;
+ n_left_to_next -= 1;
+ n_left_from -= 1;
p0 = vlib_get_buffer (vm, pi0);
ip0 = vlib_buffer_get_current (p0);
lbi0 = vnet_buffer (p0)->ip.adj_index[VLIB_TX];
- lb0 = load_balance_get(lbi0);
- hc0 = lb0->lb_hash_config;
- vnet_buffer(p0)->ip.flow_hash = ip4_compute_flow_hash(ip0, hc0);
+ lb0 = load_balance_get (lbi0);
+
+ hc0 = vnet_buffer (p0)->ip.flow_hash = 0;
+ if (PREDICT_FALSE (lb0->lb_n_buckets > 1))
+ {
+ if (PREDICT_TRUE (vnet_buffer (p0)->ip.flow_hash))
+ {
+ hc0 = vnet_buffer (p0)->ip.flow_hash =
+ vnet_buffer (p0)->ip.flow_hash >> 1;
+ }
+ else
+ {
+ hc0 = vnet_buffer (p0)->ip.flow_hash =
+ ip4_compute_flow_hash (ip0, hc0);
+ }
+ }
- dpo0 = load_balance_get_bucket_i(lb0,
- vnet_buffer(p0)->ip.flow_hash &
- (lb0->lb_n_buckets_minus_1));
+ dpo0 =
+ load_balance_get_bucket_i (lb0,
+ hc0 & (lb0->lb_n_buckets_minus_1));
next0 = dpo0->dpoi_next_node;
vnet_buffer (p0)->ip.adj_index[VLIB_TX] = dpo0->dpoi_index;
vlib_increment_combined_counter
- (cm, cpu_index, lbi0, 1,
- vlib_buffer_length_in_chain (vm, p0));
+ (cm, cpu_index, lbi0, 1, vlib_buffer_length_in_chain (vm, p0));
- from += 1;
- to_next += 1;
- n_left_to_next -= 1;
- n_left_from -= 1;
-
- if (PREDICT_FALSE (next0 != next))
- {
- n_left_to_next += 1;
- vlib_put_next_frame (vm, node, next, n_left_to_next);
- next = next0;
- vlib_get_next_frame (vm, node, next,
- to_next, n_left_to_next);
- to_next[0] = pi0;
- to_next += 1;
- n_left_to_next -= 1;
- }
+ vlib_validate_buffer_enqueue_x1 (vm, node, next,
+ to_next, n_left_to_next,
+ pi0, next0);
}
vlib_put_next_frame (vm, node, next, n_left_to_next);
return frame->n_vectors;
}
-static u8 * format_ip4_forward_next_trace (u8 * s, va_list * args);
-
-VLIB_REGISTER_NODE (ip4_load_balance_node) = {
- .function = ip4_load_balance,
- .name = "ip4-load-balance",
- .vector_size = sizeof (u32),
- .sibling_of = "ip4-lookup",
-
- .format_trace = format_ip4_forward_next_trace,
-};
+VLIB_REGISTER_NODE (ip4_load_balance_node) =
+{
+.function = ip4_load_balance,.name = "ip4-load-balance",.vector_size =
+ sizeof (u32),.sibling_of = "ip4-lookup",.format_trace =
+ format_ip4_lookup_trace,};
-VLIB_NODE_FUNCTION_MULTIARCH (ip4_load_balance_node, ip4_load_balance)
+VLIB_NODE_FUNCTION_MULTIARCH (ip4_load_balance_node, ip4_load_balance);
/* get first interface address */
ip4_address_t *
ip4_interface_first_address (ip4_main_t * im, u32 sw_if_index,
- ip_interface_address_t ** result_ia)
+ ip_interface_address_t ** result_ia)
{
- ip_lookup_main_t * lm = &im->lookup_main;
- ip_interface_address_t * ia = 0;
- ip4_address_t * result = 0;
+ ip_lookup_main_t *lm = &im->lookup_main;
+ ip_interface_address_t *ia = 0;
+ ip4_address_t *result = 0;
foreach_ip_interface_address (lm, ia, sw_if_index,
- 1 /* honor unnumbered */,
- ({
- ip4_address_t * a = ip_interface_address_get_address (lm, ia);
- result = a;
- break;
- }));
+ 1 /* honor unnumbered */ ,
+ (
+ {
+ ip4_address_t * a =
+ ip_interface_address_get_address (lm, ia);
+ result = a;
+ break;
+ }
+ ));
if (result_ia)
*result_ia = result ? ia : 0;
return result;
ip4_main_t * im, u32 fib_index,
ip_interface_address_t * a)
{
- ip_lookup_main_t * lm = &im->lookup_main;
- ip4_address_t * address = ip_interface_address_get_address (lm, a);
+ ip_lookup_main_t *lm = &im->lookup_main;
+ ip4_address_t *address = ip_interface_address_get_address (lm, a);
fib_prefix_t pfx = {
- .fp_len = a->address_length,
- .fp_proto = FIB_PROTOCOL_IP4,
- .fp_addr.ip4 = *address,
+ .fp_len = a->address_length,
+ .fp_proto = FIB_PROTOCOL_IP4,
+ .fp_addr.ip4 = *address,
};
a->neighbor_probe_adj_index = ~0;
if (pfx.fp_len < 32)
- {
+ {
fib_node_index_t fei;
- fei = fib_table_entry_update_one_path(fib_index,
- &pfx,
- FIB_SOURCE_INTERFACE,
- (FIB_ENTRY_FLAG_CONNECTED |
- FIB_ENTRY_FLAG_ATTACHED),
- FIB_PROTOCOL_IP4,
- NULL, /* No next-hop address */
- sw_if_index,
- ~0, // invalid FIB index
- 1,
- MPLS_LABEL_INVALID,
- FIB_ROUTE_PATH_FLAG_NONE);
- a->neighbor_probe_adj_index = fib_entry_get_adj(fei);
- }
+ fei = fib_table_entry_update_one_path (fib_index, &pfx, FIB_SOURCE_INTERFACE, (FIB_ENTRY_FLAG_CONNECTED | FIB_ENTRY_FLAG_ATTACHED), FIB_PROTOCOL_IP4, NULL, /* No next-hop address */
+ sw_if_index, ~0, // invalid FIB index
+ 1, NULL, // no out-label stack
+ FIB_ROUTE_PATH_FLAG_NONE);
+ a->neighbor_probe_adj_index = fib_entry_get_adj (fei);
+ }
pfx.fp_len = 32;
if (sw_if_index < vec_len (lm->classify_table_index_by_sw_if_index))
- {
+ {
u32 classify_table_index =
- lm->classify_table_index_by_sw_if_index [sw_if_index];
- if (classify_table_index != (u32) ~0)
- {
- dpo_id_t dpo = DPO_NULL;
-
- dpo_set(&dpo,
- DPO_CLASSIFY,
- DPO_PROTO_IP4,
- classify_dpo_create(FIB_PROTOCOL_IP4,
- classify_table_index));
-
- fib_table_entry_special_dpo_add(fib_index,
- &pfx,
- FIB_SOURCE_CLASSIFY,
- FIB_ENTRY_FLAG_NONE,
- &dpo);
- dpo_reset(&dpo);
- }
- }
+ lm->classify_table_index_by_sw_if_index[sw_if_index];
+ if (classify_table_index != (u32) ~ 0)
+ {
+ dpo_id_t dpo = DPO_INVALID;
+
+ dpo_set (&dpo,
+ DPO_CLASSIFY,
+ DPO_PROTO_IP4,
+ classify_dpo_create (DPO_PROTO_IP4, classify_table_index));
+
+ fib_table_entry_special_dpo_add (fib_index,
+ &pfx,
+ FIB_SOURCE_CLASSIFY,
+ FIB_ENTRY_FLAG_NONE, &dpo);
+ dpo_reset (&dpo);
+ }
+ }
- fib_table_entry_update_one_path(fib_index,
- &pfx,
- FIB_SOURCE_INTERFACE,
- (FIB_ENTRY_FLAG_CONNECTED |
- FIB_ENTRY_FLAG_LOCAL),
- FIB_PROTOCOL_IP4,
- &pfx.fp_addr,
- sw_if_index,
- ~0, // invalid FIB index
- 1,
- MPLS_LABEL_INVALID,
- FIB_ROUTE_PATH_FLAG_NONE);
+ fib_table_entry_update_one_path (fib_index, &pfx, FIB_SOURCE_INTERFACE, (FIB_ENTRY_FLAG_CONNECTED | FIB_ENTRY_FLAG_LOCAL), FIB_PROTOCOL_IP4, &pfx.fp_addr, sw_if_index, ~0, // invalid FIB index
+ 1, NULL, // no out-label stack
+ FIB_ROUTE_PATH_FLAG_NONE);
}
static void
ip4_del_interface_routes (ip4_main_t * im,
u32 fib_index,
- ip4_address_t * address,
- u32 address_length)
+ ip4_address_t * address, u32 address_length)
{
- fib_prefix_t pfx = {
- .fp_len = address_length,
- .fp_proto = FIB_PROTOCOL_IP4,
- .fp_addr.ip4 = *address,
- };
+ fib_prefix_t pfx = {
+ .fp_len = address_length,
+ .fp_proto = FIB_PROTOCOL_IP4,
+ .fp_addr.ip4 = *address,
+ };
- if (pfx.fp_len < 32)
+ if (pfx.fp_len < 32)
{
- fib_table_entry_delete(fib_index,
- &pfx,
- FIB_SOURCE_INTERFACE);
+ fib_table_entry_delete (fib_index, &pfx, FIB_SOURCE_INTERFACE);
}
- pfx.fp_len = 32;
- fib_table_entry_delete(fib_index,
- &pfx,
- FIB_SOURCE_INTERFACE);
+ pfx.fp_len = 32;
+ fib_table_entry_delete (fib_index, &pfx, FIB_SOURCE_INTERFACE);
}
void
-ip4_sw_interface_enable_disable (u32 sw_if_index,
- u32 is_enable)
+ip4_sw_interface_enable_disable (u32 sw_if_index, u32 is_enable)
{
- vlib_main_t * vm = vlib_get_main();
- ip4_main_t * im = &ip4_main;
- ip_lookup_main_t * lm = &im->lookup_main;
- u32 ci, cast;
- u32 lookup_feature_index;
+ ip4_main_t *im = &ip4_main;
vec_validate_init_empty (im->ip_enabled_by_sw_if_index, sw_if_index, 0);
if (is_enable)
{
if (1 != ++im->ip_enabled_by_sw_if_index[sw_if_index])
- return;
+ return;
}
else
{
- ASSERT(im->ip_enabled_by_sw_if_index[sw_if_index] > 0);
+ ASSERT (im->ip_enabled_by_sw_if_index[sw_if_index] > 0);
if (0 != --im->ip_enabled_by_sw_if_index[sw_if_index])
- return;
+ return;
}
+ vnet_feature_enable_disable ("ip4-unicast", "ip4-lookup", sw_if_index,
+ is_enable, 0, 0);
- for (cast = 0; cast <= VNET_IP_RX_MULTICAST_FEAT; cast++)
- {
- ip_config_main_t * cm = &lm->feature_config_mains[cast];
- vnet_config_main_t * vcm = &cm->config_main;
-
- vec_validate_init_empty (cm->config_index_by_sw_if_index, sw_if_index, ~0);
- ci = cm->config_index_by_sw_if_index[sw_if_index];
+ vnet_feature_enable_disable ("ip4-multicast", "ip4-lookup-multicast",
+ sw_if_index, is_enable, 0, 0);
- if (cast == VNET_IP_RX_UNICAST_FEAT)
- lookup_feature_index = im->ip4_unicast_rx_feature_lookup;
- else
- lookup_feature_index = im->ip4_multicast_rx_feature_lookup;
-
- if (is_enable)
- ci = vnet_config_add_feature (vm, vcm,
- ci,
- lookup_feature_index,
- /* config data */ 0,
- /* # bytes of config data */ 0);
- else
- ci = vnet_config_del_feature (vm, vcm,
- ci,
- lookup_feature_index,
- /* config data */ 0,
- /* # bytes of config data */ 0);
- cm->config_index_by_sw_if_index[sw_if_index] = ci;
- }
}
static clib_error_t *
ip4_add_del_interface_address_internal (vlib_main_t * vm,
u32 sw_if_index,
ip4_address_t * address,
- u32 address_length,
- u32 is_del)
+ u32 address_length, u32 is_del)
{
- vnet_main_t * vnm = vnet_get_main();
- ip4_main_t * im = &ip4_main;
- ip_lookup_main_t * lm = &im->lookup_main;
- clib_error_t * error = 0;
+ vnet_main_t *vnm = vnet_get_main ();
+ ip4_main_t *im = &ip4_main;
+ ip_lookup_main_t *lm = &im->lookup_main;
+ clib_error_t *error = 0;
u32 if_address_index, elts_before;
- ip4_address_fib_t ip4_af, * addr_fib = 0;
+ ip4_address_fib_t ip4_af, *addr_fib = 0;
vec_validate (im->fib_index_by_sw_if_index, sw_if_index);
ip4_addr_fib_init (&ip4_af, address,
* subnets on interfaces. Easy fix - disallow overlapping subnets, like
* most routers do.
*/
- if (! is_del)
+ if (!is_del)
{
/* When adding an address check that it does not conflict
- with an existing address. */
- ip_interface_address_t * ia;
+ with an existing address. */
+ ip_interface_address_t *ia;
foreach_ip_interface_address (&im->lookup_main, ia, sw_if_index,
- 0 /* honor unnumbered */,
- ({
- ip4_address_t * x = ip_interface_address_get_address (&im->lookup_main, ia);
-
- if (ip4_destination_matches_route (im, address, x, ia->address_length)
- || ip4_destination_matches_route (im, x, address, address_length))
- return clib_error_create ("failed to add %U which conflicts with %U for interface %U",
- format_ip4_address_and_length, address, address_length,
- format_ip4_address_and_length, x, ia->address_length,
- format_vnet_sw_if_index_name, vnm, sw_if_index);
- }));
+ 0 /* honor unnumbered */ ,
+ (
+ {
+ ip4_address_t * x =
+ ip_interface_address_get_address
+ (&im->lookup_main, ia);
+ if (ip4_destination_matches_route
+ (im, address, x, ia->address_length)
+ ||
+ ip4_destination_matches_route (im,
+ x,
+ address,
+ address_length))
+ return
+ clib_error_create
+ ("failed to add %U which conflicts with %U for interface %U",
+ format_ip4_address_and_length, address,
+ address_length,
+ format_ip4_address_and_length, x,
+ ia->address_length,
+ format_vnet_sw_if_index_name, vnm,
+ sw_if_index);}
+ ));
}
elts_before = pool_elts (lm->if_address_pool);
error = ip_interface_address_add_del
- (lm,
- sw_if_index,
- addr_fib,
- address_length,
- is_del,
- &if_address_index);
+ (lm, sw_if_index, addr_fib, address_length, is_del, &if_address_index);
if (error)
goto done;
- ip4_sw_interface_enable_disable(sw_if_index, !is_del);
+ ip4_sw_interface_enable_disable (sw_if_index, !is_del);
if (is_del)
- ip4_del_interface_routes (im, ip4_af.fib_index, address,
- address_length);
+ ip4_del_interface_routes (im, ip4_af.fib_index, address, address_length);
else
- ip4_add_interface_routes (sw_if_index,
- im, ip4_af.fib_index,
- pool_elt_at_index
- (lm->if_address_pool, if_address_index));
+ ip4_add_interface_routes (sw_if_index,
+ im, ip4_af.fib_index,
+ pool_elt_at_index
+ (lm->if_address_pool, if_address_index));
/* If pool did not grow/shrink: add duplicate address. */
if (elts_before != pool_elts (lm->if_address_pool))
{
- ip4_add_del_interface_address_callback_t * cb;
+ ip4_add_del_interface_address_callback_t *cb;
vec_foreach (cb, im->add_del_interface_address_callbacks)
cb->function (im, cb->function_opaque, sw_if_index,
- address, address_length,
- if_address_index,
- is_del);
+ address, address_length, if_address_index, is_del);
}
- done:
+done:
vec_free (addr_fib);
return error;
}
u32 is_del)
{
return ip4_add_del_interface_address_internal
- (vm, sw_if_index, address, address_length,
- is_del);
+ (vm, sw_if_index, address, address_length, is_del);
}
/* Built-in ip4 unicast rx feature path definition */
-VNET_IP4_UNICAST_FEATURE_INIT (ip4_flow_classify, static) = {
+/* *INDENT-OFF* */
+VNET_FEATURE_ARC_INIT (ip4_unicast, static) =
+{
+ .arc_name = "ip4-unicast",
+ .start_nodes =
+ VNET_FEATURES ("ip4-input", "ip4-input-no-checksum"),
+ .arc_index_ptr =
+ &ip4_main.lookup_main.ucast_feature_arc_index,};
+
+VNET_FEATURE_INIT (ip4_flow_classify, static) =
+{
+ .arc_name = "ip4-unicast",
.node_name = "ip4-flow-classify",
- .runs_before = ORDER_CONSTRAINTS {"ip4-inacl", 0},
- .feature_index = &ip4_main.ip4_unicast_rx_feature_flow_classify,
+ .runs_before = VNET_FEATURES ("ip4-inacl"),
};
-VNET_IP4_UNICAST_FEATURE_INIT (ip4_inacl, static) = {
+VNET_FEATURE_INIT (ip4_inacl, static) =
+{
+ .arc_name = "ip4-unicast",
.node_name = "ip4-inacl",
- .runs_before = ORDER_CONSTRAINTS {"ip4-source-check-via-rx", 0},
- .feature_index = &ip4_main.ip4_unicast_rx_feature_check_access,
+ .runs_before = VNET_FEATURES ("ip4-source-check-via-rx"),
};
-VNET_IP4_UNICAST_FEATURE_INIT (ip4_source_check_1, static) = {
+VNET_FEATURE_INIT (ip4_source_check_1, static) =
+{
+ .arc_name = "ip4-unicast",
.node_name = "ip4-source-check-via-rx",
- .runs_before = ORDER_CONSTRAINTS {"ip4-source-check-via-any", 0},
- .feature_index =
- &ip4_main.ip4_unicast_rx_feature_source_reachable_via_rx,
+ .runs_before = VNET_FEATURES ("ip4-source-check-via-any"),
};
-VNET_IP4_UNICAST_FEATURE_INIT (ip4_source_check_2, static) = {
+VNET_FEATURE_INIT (ip4_source_check_2, static) =
+{
+ .arc_name = "ip4-unicast",
.node_name = "ip4-source-check-via-any",
- .runs_before = ORDER_CONSTRAINTS {"ip4-policer-classify", 0},
- .feature_index =
- &ip4_main.ip4_unicast_rx_feature_source_reachable_via_any,
+ .runs_before = VNET_FEATURES ("ip4-policer-classify"),
};
-VNET_IP4_UNICAST_FEATURE_INIT (ip4_source_and_port_range_check_rx, static) = {
+VNET_FEATURE_INIT (ip4_source_and_port_range_check_rx, static) =
+{
+ .arc_name = "ip4-unicast",
.node_name = "ip4-source-and-port-range-check-rx",
- .runs_before = ORDER_CONSTRAINTS {"ip4-policer-classify", 0},
- .feature_index =
- &ip4_main.ip4_unicast_rx_feature_source_and_port_range_check,
+ .runs_before = VNET_FEATURES ("ip4-policer-classify"),
};
-VNET_IP4_UNICAST_FEATURE_INIT (ip4_policer_classify, static) = {
+VNET_FEATURE_INIT (ip4_policer_classify, static) =
+{
+ .arc_name = "ip4-unicast",
.node_name = "ip4-policer-classify",
- .runs_before = ORDER_CONSTRAINTS {"ipsec-input-ip4", 0},
- .feature_index =
- &ip4_main.ip4_unicast_rx_feature_policer_classify,
+ .runs_before = VNET_FEATURES ("ipsec-input-ip4"),
};
-VNET_IP4_UNICAST_FEATURE_INIT (ip4_ipsec, static) = {
+VNET_FEATURE_INIT (ip4_ipsec, static) =
+{
+ .arc_name = "ip4-unicast",
.node_name = "ipsec-input-ip4",
- .runs_before = ORDER_CONSTRAINTS {"vpath-input-ip4", 0},
- .feature_index = &ip4_main.ip4_unicast_rx_feature_ipsec,
+ .runs_before = VNET_FEATURES ("vpath-input-ip4"),
};
-VNET_IP4_UNICAST_FEATURE_INIT (ip4_vpath, static) = {
+VNET_FEATURE_INIT (ip4_vpath, static) =
+{
+ .arc_name = "ip4-unicast",
.node_name = "vpath-input-ip4",
- .runs_before = ORDER_CONSTRAINTS {"ip4-lookup", 0},
- .feature_index = &ip4_main.ip4_unicast_rx_feature_vpath,
+ .runs_before = VNET_FEATURES ("ip4-vxlan-bypass"),
+};
+
+VNET_FEATURE_INIT (ip4_vxlan_bypass, static) =
+{
+ .arc_name = "ip4-unicast",
+ .node_name = "ip4-vxlan-bypass",
+ .runs_before = VNET_FEATURES ("ip4-lookup"),
};
-VNET_IP4_UNICAST_FEATURE_INIT (ip4_lookup, static) = {
+VNET_FEATURE_INIT (ip4_lookup, static) =
+{
+ .arc_name = "ip4-unicast",
.node_name = "ip4-lookup",
- .runs_before = ORDER_CONSTRAINTS {"ip4-drop", 0},
- .feature_index = &ip4_main.ip4_unicast_rx_feature_lookup,
+ .runs_before = VNET_FEATURES ("ip4-drop"),
};
-VNET_IP4_UNICAST_FEATURE_INIT (ip4_drop, static) = {
+VNET_FEATURE_INIT (ip4_drop, static) =
+{
+ .arc_name = "ip4-unicast",
.node_name = "ip4-drop",
- .runs_before = 0, /* not before any other features */
- .feature_index = &ip4_main.ip4_unicast_rx_feature_drop,
+ .runs_before = 0, /* not before any other features */
};
/* Built-in ip4 multicast rx feature path definition */
-VNET_IP4_MULTICAST_FEATURE_INIT (ip4_vpath_mc, static) = {
+VNET_FEATURE_ARC_INIT (ip4_multicast, static) =
+{
+ .arc_name = "ip4-multicast",
+ .start_nodes = VNET_FEATURES ("ip4-input", "ip4-input-no-checksum"),
+ .arc_index_ptr = &ip4_main.lookup_main.mcast_feature_arc_index,
+};
+
+VNET_FEATURE_INIT (ip4_vpath_mc, static) =
+{
+ .arc_name = "ip4-multicast",
.node_name = "vpath-input-ip4",
- .runs_before = ORDER_CONSTRAINTS {"ip4-lookup-multicast", 0},
- .feature_index = &ip4_main.ip4_multicast_rx_feature_vpath,
+ .runs_before = VNET_FEATURES ("ip4-lookup-multicast"),
};
-VNET_IP4_MULTICAST_FEATURE_INIT (ip4_lookup_mc, static) = {
+VNET_FEATURE_INIT (ip4_lookup_mc, static) =
+{
+ .arc_name = "ip4-multicast",
.node_name = "ip4-lookup-multicast",
- .runs_before = ORDER_CONSTRAINTS {"ip4-drop", 0},
- .feature_index = &ip4_main.ip4_multicast_rx_feature_lookup,
+ .runs_before = VNET_FEATURES ("ip4-drop"),
};
-VNET_IP4_MULTICAST_FEATURE_INIT (ip4_mc_drop, static) = {
+VNET_FEATURE_INIT (ip4_mc_drop, static) =
+{
+ .arc_name = "ip4-multicast",
.node_name = "ip4-drop",
- .runs_before = 0, /* last feature */
- .feature_index = &ip4_main.ip4_multicast_rx_feature_drop,
+ .runs_before = 0, /* last feature */
};
-static char * rx_feature_start_nodes[] =
- { "ip4-input", "ip4-input-no-checksum"};
-
-static char * tx_feature_start_nodes[] =
+/* Source and port-range check ip4 tx feature path definition */
+VNET_FEATURE_ARC_INIT (ip4_output, static) =
{
- "ip4-rewrite-transit",
- "ip4-midchain",
+ .arc_name = "ip4-output",
+ .start_nodes = VNET_FEATURES ("ip4-rewrite", "ip4-midchain"),
+ .arc_index_ptr = &ip4_main.lookup_main.output_feature_arc_index,
};
-/* Source and port-range check ip4 tx feature path definition */
-VNET_IP4_TX_FEATURE_INIT (ip4_source_and_port_range_check_tx, static) = {
+VNET_FEATURE_INIT (ip4_source_and_port_range_check_tx, static) =
+{
+ .arc_name = "ip4-output",
.node_name = "ip4-source-and-port-range-check-tx",
- .runs_before = ORDER_CONSTRAINTS {"interface-output", 0},
- .feature_index =
- &ip4_main.ip4_unicast_tx_feature_source_and_port_range_check,
+ .runs_before = VNET_FEATURES ("ipsec-output-ip4"),
+};
+VNET_FEATURE_INIT (ip4_ipsec_output, static) =
+{
+ .arc_name = "ip4-output",
+ .node_name = "ipsec-output-ip4",
+ .runs_before = VNET_FEATURES ("interface-output"),
};
/* Built-in ip4 tx feature path definition */
-VNET_IP4_TX_FEATURE_INIT (interface_output, static) = {
+VNET_FEATURE_INIT (ip4_interface_output, static) =
+{
+ .arc_name = "ip4-output",
.node_name = "interface-output",
- .runs_before = 0, /* not before any other features */
- .feature_index = &ip4_main.ip4_tx_feature_interface_output,
+ .runs_before = 0, /* not before any other features */
};
+/* *INDENT-ON* */
static clib_error_t *
-ip4_feature_init (vlib_main_t * vm, ip4_main_t * im)
-{
- ip_lookup_main_t * lm = &im->lookup_main;
- clib_error_t * error;
- vnet_cast_t cast;
- ip_config_main_t * cm;
- vnet_config_main_t * vcm;
- char **feature_start_nodes;
- int feature_start_len;
-
- for (cast = 0; cast < VNET_N_IP_FEAT; cast++)
- {
- cm = &lm->feature_config_mains[cast];
- vcm = &cm->config_main;
-
- if (cast < VNET_IP_TX_FEAT)
- {
- feature_start_nodes = rx_feature_start_nodes;
- feature_start_len = ARRAY_LEN(rx_feature_start_nodes);
- }
- else
- {
- feature_start_nodes = tx_feature_start_nodes;
- feature_start_len = ARRAY_LEN(tx_feature_start_nodes);
- }
-
- if ((error = vnet_feature_arc_init (vm, vcm,
- feature_start_nodes,
- feature_start_len,
- im->next_feature[cast],
- &im->feature_nodes[cast])))
- return error;
- }
-
- return 0;
-}
-
-static clib_error_t *
-ip4_sw_interface_add_del (vnet_main_t * vnm,
- u32 sw_if_index,
- u32 is_add)
+ip4_sw_interface_add_del (vnet_main_t * vnm, u32 sw_if_index, u32 is_add)
{
- vlib_main_t * vm = vnm->vlib_main;
- ip4_main_t * im = &ip4_main;
- ip_lookup_main_t * lm = &im->lookup_main;
- u32 ci, cast;
- u32 feature_index;
+ ip4_main_t *im = &ip4_main;
/* Fill in lookup tables with default table (0). */
vec_validate (im->fib_index_by_sw_if_index, sw_if_index);
- for (cast = 0; cast < VNET_N_IP_FEAT; cast++)
- {
- ip_config_main_t * cm = &lm->feature_config_mains[cast];
- vnet_config_main_t * vcm = &cm->config_main;
+ vnet_feature_enable_disable ("ip4-unicast", "ip4-drop", sw_if_index,
+ is_add, 0, 0);
- vec_validate_init_empty (cm->config_index_by_sw_if_index, sw_if_index, ~0);
- ci = cm->config_index_by_sw_if_index[sw_if_index];
+ vnet_feature_enable_disable ("ip4-multicast", "ip4-drop", sw_if_index,
+ is_add, 0, 0);
- if (cast == VNET_IP_RX_UNICAST_FEAT)
- feature_index = im->ip4_unicast_rx_feature_drop;
- else if (cast == VNET_IP_RX_MULTICAST_FEAT)
- feature_index = im->ip4_multicast_rx_feature_drop;
- else
- feature_index = im->ip4_tx_feature_interface_output;
-
- if (is_add)
- ci = vnet_config_add_feature (vm, vcm,
- ci,
- feature_index,
- /* config data */ 0,
- /* # bytes of config data */ 0);
- else
- {
- ci = vnet_config_del_feature (vm, vcm, ci,
- feature_index,
- /* config data */ 0,
- /* # bytes of config data */ 0);
- if (vec_len(im->ip_enabled_by_sw_if_index) > sw_if_index)
- im->ip_enabled_by_sw_if_index[sw_if_index] = 0;
- }
- cm->config_index_by_sw_if_index[sw_if_index] = ci;
- /*
- * note: do not update the tx feature count here.
- */
- }
+ vnet_feature_enable_disable ("ip4-output", "interface-output", sw_if_index,
+ is_add, 0, 0);
return /* no error */ 0;
}
clib_error_t *
ip4_lookup_init (vlib_main_t * vm)
{
- ip4_main_t * im = &ip4_main;
- clib_error_t * error;
+ ip4_main_t *im = &ip4_main;
+ clib_error_t *error;
uword i;
+ if ((error = vlib_call_init_function (vm, vnet_feature_init)))
+ return error;
+
for (i = 0; i < ARRAY_LEN (im->fib_masks); i++)
{
u32 m;
ip_lookup_init (&im->lookup_main, /* is_ip6 */ 0);
/* Create FIB with index 0 and table id of 0. */
- fib_table_find_or_create_and_lock(FIB_PROTOCOL_IP4, 0);
+ fib_table_find_or_create_and_lock (FIB_PROTOCOL_IP4, 0);
{
- pg_node_t * pn;
+ pg_node_t *pn;
pn = pg_get_node (ip4_lookup_node.index);
pn->unformat_edit = unformat_pg_ip4_header;
}
memset (&h, 0, sizeof (h));
/* Set target ethernet address to all zeros. */
- memset (h.ip4_over_ethernet[1].ethernet, 0, sizeof (h.ip4_over_ethernet[1].ethernet));
+ memset (h.ip4_over_ethernet[1].ethernet, 0,
+ sizeof (h.ip4_over_ethernet[1].ethernet));
#define _16(f,v) h.f = clib_host_to_net_u16 (v);
#define _8(f,v) h.f = v;
#undef _16
#undef _8
- vlib_packet_template_init (vm,
- &im->ip4_arp_request_packet_template,
+ vlib_packet_template_init (vm, &im->ip4_arp_request_packet_template,
/* data */ &h,
sizeof (h),
/* alloc chunk size */ 8,
"ip4 arp");
}
- error = ip4_feature_init (vm, im);
-
return error;
}
VLIB_INIT_FUNCTION (ip4_lookup_init);
-typedef struct {
+typedef struct
+{
/* Adjacency taken. */
u32 dpo_index;
u32 flow_hash;
u32 fib_index;
/* Packet data, possibly *after* rewrite. */
- u8 packet_data[64 - 1*sizeof(u32)];
-} ip4_forward_next_trace_t;
+ u8 packet_data[64 - 1 * sizeof (u32)];
+}
+ip4_forward_next_trace_t;
-static u8 * format_ip4_forward_next_trace (u8 * s, va_list * args)
+u8 *
+format_ip4_forward_next_trace (u8 * s, va_list * args)
{
CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
- ip4_forward_next_trace_t * t = va_arg (*args, ip4_forward_next_trace_t *);
+ ip4_forward_next_trace_t *t = va_arg (*args, ip4_forward_next_trace_t *);
uword indent = format_get_indent (s);
s = format (s, "%U%U",
format_white_space, indent,
return s;
}
-static u8 * format_ip4_lookup_trace (u8 * s, va_list * args)
+static u8 *
+format_ip4_lookup_trace (u8 * s, va_list * args)
{
CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
- ip4_forward_next_trace_t * t = va_arg (*args, ip4_forward_next_trace_t *);
+ ip4_forward_next_trace_t *t = va_arg (*args, ip4_forward_next_trace_t *);
uword indent = format_get_indent (s);
s = format (s, "fib %d dpo-idx %d flow hash: 0x%08x",
- t->fib_index, t->dpo_index, t->flow_hash);
+ t->fib_index, t->dpo_index, t->flow_hash);
s = format (s, "\n%U%U",
- format_white_space, indent,
- format_ip4_header, t->packet_data, sizeof (t->packet_data));
+ format_white_space, indent,
+ format_ip4_header, t->packet_data, sizeof (t->packet_data));
return s;
}
-static u8 * format_ip4_rewrite_trace (u8 * s, va_list * args)
+static u8 *
+format_ip4_rewrite_trace (u8 * s, va_list * args)
{
CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
- ip4_forward_next_trace_t * t = va_arg (*args, ip4_forward_next_trace_t *);
- vnet_main_t * vnm = vnet_get_main();
+ ip4_forward_next_trace_t *t = va_arg (*args, ip4_forward_next_trace_t *);
+ vnet_main_t *vnm = vnet_get_main ();
uword indent = format_get_indent (s);
s = format (s, "tx_sw_if_index %d dpo-idx %d : %U flow hash: 0x%08x",
- t->fib_index, t->dpo_index, format_ip_adjacency,
- t->dpo_index, FORMAT_IP_ADJACENCY_NONE,
- t->flow_hash);
+ t->fib_index, t->dpo_index, format_ip_adjacency,
+ t->dpo_index, FORMAT_IP_ADJACENCY_NONE, t->flow_hash);
s = format (s, "\n%U%U",
- format_white_space, indent,
- format_ip_adjacency_packet_data,
- vnm, t->dpo_index,
- t->packet_data, sizeof (t->packet_data));
+ format_white_space, indent,
+ format_ip_adjacency_packet_data,
+ vnm, t->dpo_index, t->packet_data, sizeof (t->packet_data));
return s;
}
void
ip4_forward_next_trace (vlib_main_t * vm,
vlib_node_runtime_t * node,
- vlib_frame_t * frame,
- vlib_rx_or_tx_t which_adj_index)
+ vlib_frame_t * frame, vlib_rx_or_tx_t which_adj_index)
{
- u32 * from, n_left;
- ip4_main_t * im = &ip4_main;
+ u32 *from, n_left;
+ ip4_main_t *im = &ip4_main;
n_left = frame->n_vectors;
from = vlib_frame_vector_args (frame);
while (n_left >= 4)
{
u32 bi0, bi1;
- vlib_buffer_t * b0, * b1;
- ip4_forward_next_trace_t * t0, * t1;
+ vlib_buffer_t *b0, *b1;
+ ip4_forward_next_trace_t *t0, *t1;
/* Prefetch next iteration. */
vlib_prefetch_buffer_with_index (vm, from[2], LOAD);
t0 = vlib_add_trace (vm, node, b0, sizeof (t0[0]));
t0->dpo_index = vnet_buffer (b0)->ip.adj_index[which_adj_index];
t0->flow_hash = vnet_buffer (b0)->ip.flow_hash;
- t0->fib_index = (vnet_buffer(b0)->sw_if_index[VLIB_TX] != (u32)~0) ?
- vnet_buffer(b0)->sw_if_index[VLIB_TX] :
- vec_elt (im->fib_index_by_sw_if_index,
- vnet_buffer(b0)->sw_if_index[VLIB_RX]);
+ t0->fib_index =
+ (vnet_buffer (b0)->sw_if_index[VLIB_TX] !=
+ (u32) ~ 0) ? vnet_buffer (b0)->sw_if_index[VLIB_TX] :
+ vec_elt (im->fib_index_by_sw_if_index,
+ vnet_buffer (b0)->sw_if_index[VLIB_RX]);
clib_memcpy (t0->packet_data,
- vlib_buffer_get_current (b0),
- sizeof (t0->packet_data));
+ vlib_buffer_get_current (b0),
+ sizeof (t0->packet_data));
}
if (b1->flags & VLIB_BUFFER_IS_TRACED)
{
t1 = vlib_add_trace (vm, node, b1, sizeof (t1[0]));
t1->dpo_index = vnet_buffer (b1)->ip.adj_index[which_adj_index];
t1->flow_hash = vnet_buffer (b1)->ip.flow_hash;
- t1->fib_index = (vnet_buffer(b1)->sw_if_index[VLIB_TX] != (u32)~0) ?
- vnet_buffer(b1)->sw_if_index[VLIB_TX] :
- vec_elt (im->fib_index_by_sw_if_index,
- vnet_buffer(b1)->sw_if_index[VLIB_RX]);
- clib_memcpy (t1->packet_data,
- vlib_buffer_get_current (b1),
- sizeof (t1->packet_data));
+ t1->fib_index =
+ (vnet_buffer (b1)->sw_if_index[VLIB_TX] !=
+ (u32) ~ 0) ? vnet_buffer (b1)->sw_if_index[VLIB_TX] :
+ vec_elt (im->fib_index_by_sw_if_index,
+ vnet_buffer (b1)->sw_if_index[VLIB_RX]);
+ clib_memcpy (t1->packet_data, vlib_buffer_get_current (b1),
+ sizeof (t1->packet_data));
}
from += 2;
n_left -= 2;
while (n_left >= 1)
{
u32 bi0;
- vlib_buffer_t * b0;
- ip4_forward_next_trace_t * t0;
+ vlib_buffer_t *b0;
+ ip4_forward_next_trace_t *t0;
bi0 = from[0];
t0 = vlib_add_trace (vm, node, b0, sizeof (t0[0]));
t0->dpo_index = vnet_buffer (b0)->ip.adj_index[which_adj_index];
t0->flow_hash = vnet_buffer (b0)->ip.flow_hash;
- t0->fib_index = (vnet_buffer(b0)->sw_if_index[VLIB_TX] != (u32)~0) ?
- vnet_buffer(b0)->sw_if_index[VLIB_TX] :
- vec_elt (im->fib_index_by_sw_if_index,
- vnet_buffer(b0)->sw_if_index[VLIB_RX]);
- clib_memcpy (t0->packet_data,
- vlib_buffer_get_current (b0),
- sizeof (t0->packet_data));
+ t0->fib_index =
+ (vnet_buffer (b0)->sw_if_index[VLIB_TX] !=
+ (u32) ~ 0) ? vnet_buffer (b0)->sw_if_index[VLIB_TX] :
+ vec_elt (im->fib_index_by_sw_if_index,
+ vnet_buffer (b0)->sw_if_index[VLIB_RX]);
+ clib_memcpy (t0->packet_data, vlib_buffer_get_current (b0),
+ sizeof (t0->packet_data));
}
from += 1;
n_left -= 1;
static uword
ip4_drop_or_punt (vlib_main_t * vm,
vlib_node_runtime_t * node,
- vlib_frame_t * frame,
- ip4_error_t error_code)
+ vlib_frame_t * frame, ip4_error_t error_code)
{
- u32 * buffers = vlib_frame_vector_args (frame);
+ u32 *buffers = vlib_frame_vector_args (frame);
uword n_packets = frame->n_vectors;
- vlib_error_drop_buffers (vm, node,
- buffers,
+ vlib_error_drop_buffers (vm, node, buffers,
/* stride */ 1,
n_packets,
/* next */ 0,
- ip4_input_node.index,
- error_code);
+ ip4_input_node.index, error_code);
if (node->flags & VLIB_NODE_FLAG_TRACE)
ip4_forward_next_trace (vm, node, frame, VLIB_TX);
}
static uword
-ip4_drop (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
-{ return ip4_drop_or_punt (vm, node, frame, IP4_ERROR_ADJACENCY_DROP); }
+ip4_drop (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame)
+{
+ return ip4_drop_or_punt (vm, node, frame, IP4_ERROR_ADJACENCY_DROP);
+}
static uword
-ip4_punt (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
-{ return ip4_drop_or_punt (vm, node, frame, IP4_ERROR_ADJACENCY_PUNT); }
-
-VLIB_REGISTER_NODE (ip4_drop_node,static) = {
- .function = ip4_drop,
- .name = "ip4-drop",
- .vector_size = sizeof (u32),
-
- .format_trace = format_ip4_forward_next_trace,
-
- .n_next_nodes = 1,
- .next_nodes = {
- [0] = "error-drop",
- },
-};
-
-VLIB_NODE_FUNCTION_MULTIARCH (ip4_drop_node, ip4_drop)
+ip4_punt (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame)
+{
+ return ip4_drop_or_punt (vm, node, frame, IP4_ERROR_ADJACENCY_PUNT);
+}
-VLIB_REGISTER_NODE (ip4_punt_node,static) = {
- .function = ip4_punt,
- .name = "ip4-punt",
- .vector_size = sizeof (u32),
+VLIB_REGISTER_NODE (ip4_drop_node, static) =
+{
+ .function = ip4_drop,.name = "ip4-drop",.vector_size =
+ sizeof (u32),.format_trace = format_ip4_forward_next_trace,.n_next_nodes =
+ 1,.next_nodes =
+ {
+ [0] = "error-drop",}
+,};
- .format_trace = format_ip4_forward_next_trace,
+VLIB_NODE_FUNCTION_MULTIARCH (ip4_drop_node, ip4_drop);
- .n_next_nodes = 1,
- .next_nodes = {
- [0] = "error-punt",
- },
-};
+VLIB_REGISTER_NODE (ip4_punt_node, static) =
+{
+ .function = ip4_punt,.name = "ip4-punt",.vector_size =
+ sizeof (u32),.format_trace = format_ip4_forward_next_trace,.n_next_nodes =
+ 1,.next_nodes =
+ {
+ [0] = "error-punt",}
+,};
-VLIB_NODE_FUNCTION_MULTIARCH (ip4_punt_node, ip4_punt)
+VLIB_NODE_FUNCTION_MULTIARCH (ip4_punt_node, ip4_punt);
/* Compute TCP/UDP/ICMP4 checksum in software. */
u16
u32 ip_header_length, payload_length_host_byte_order;
u32 n_this_buffer, n_bytes_left;
u16 sum16;
- void * data_this_buffer;
+ void *data_this_buffer;
/* Initialize checksum with ip header. */
ip_header_length = ip4_header_bytes (ip0);
- payload_length_host_byte_order = clib_net_to_host_u16 (ip0->length) - ip_header_length;
- sum0 = clib_host_to_net_u32 (payload_length_host_byte_order + (ip0->protocol << 16));
+ payload_length_host_byte_order =
+ clib_net_to_host_u16 (ip0->length) - ip_header_length;
+ sum0 =
+ clib_host_to_net_u32 (payload_length_host_byte_order +
+ (ip0->protocol << 16));
if (BITS (uword) == 32)
{
- sum0 = ip_csum_with_carry (sum0, clib_mem_unaligned (&ip0->src_address, u32));
- sum0 = ip_csum_with_carry (sum0, clib_mem_unaligned (&ip0->dst_address, u32));
+ sum0 =
+ ip_csum_with_carry (sum0,
+ clib_mem_unaligned (&ip0->src_address, u32));
+ sum0 =
+ ip_csum_with_carry (sum0,
+ clib_mem_unaligned (&ip0->dst_address, u32));
}
else
- sum0 = ip_csum_with_carry (sum0, clib_mem_unaligned (&ip0->src_address, u64));
+ sum0 =
+ ip_csum_with_carry (sum0, clib_mem_unaligned (&ip0->src_address, u64));
n_bytes_left = n_this_buffer = payload_length_host_byte_order;
data_this_buffer = (void *) ip0 + ip_header_length;
if (n_this_buffer + ip_header_length > p0->current_length)
- n_this_buffer = p0->current_length > ip_header_length ? p0->current_length - ip_header_length : 0;
+ n_this_buffer =
+ p0->current_length >
+ ip_header_length ? p0->current_length - ip_header_length : 0;
while (1)
{
sum0 = ip_incremental_checksum (sum0, data_this_buffer, n_this_buffer);
n_this_buffer = p0->current_length;
}
- sum16 = ~ ip_csum_fold (sum0);
+ sum16 = ~ip_csum_fold (sum0);
return sum16;
}
-static u32
+u32
ip4_tcp_udp_validate_checksum (vlib_main_t * vm, vlib_buffer_t * p0)
{
- ip4_header_t * ip0 = vlib_buffer_get_current (p0);
- udp_header_t * udp0;
+ ip4_header_t *ip0 = vlib_buffer_get_current (p0);
+ udp_header_t *udp0;
u16 sum16;
ASSERT (ip0->protocol == IP_PROTOCOL_TCP
}
static uword
-ip4_local (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
+ip4_local (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame)
{
- ip4_main_t * im = &ip4_main;
- ip_lookup_main_t * lm = &im->lookup_main;
+ ip4_main_t *im = &ip4_main;
+ ip_lookup_main_t *lm = &im->lookup_main;
ip_local_next_t next_index;
- u32 * from, * to_next, n_left_from, n_left_to_next;
- vlib_node_runtime_t * error_node = vlib_node_get_runtime (vm, ip4_input_node.index);
+ u32 *from, *to_next, n_left_from, n_left_to_next;
+ vlib_node_runtime_t *error_node =
+ vlib_node_get_runtime (vm, ip4_input_node.index);
from = vlib_frame_vector_args (frame);
n_left_from = frame->n_vectors;
vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
while (n_left_from >= 4 && n_left_to_next >= 2)
- {
- vlib_buffer_t * p0, * p1;
- ip4_header_t * ip0, * ip1;
- udp_header_t * udp0, * udp1;
- ip4_fib_mtrie_t * mtrie0, * mtrie1;
- ip4_fib_mtrie_leaf_t leaf0, leaf1;
- const dpo_id_t *dpo0, *dpo1;
- const load_balance_t *lb0, *lb1;
- u32 pi0, ip_len0, udp_len0, flags0, next0, fib_index0, lbi0;
- u32 pi1, ip_len1, udp_len1, flags1, next1, fib_index1, lbi1;
- i32 len_diff0, len_diff1;
- u8 error0, is_udp0, is_tcp_udp0, good_tcp_udp0, proto0;
- u8 error1, is_udp1, is_tcp_udp1, good_tcp_udp1, proto1;
- u8 enqueue_code;
-
- pi0 = to_next[0] = from[0];
- pi1 = to_next[1] = from[1];
- from += 2;
- n_left_from -= 2;
- to_next += 2;
- n_left_to_next -= 2;
+ {
+ vlib_buffer_t *p0, *p1;
+ ip4_header_t *ip0, *ip1;
+ udp_header_t *udp0, *udp1;
+ ip4_fib_mtrie_t *mtrie0, *mtrie1;
+ ip4_fib_mtrie_leaf_t leaf0, leaf1;
+ const dpo_id_t *dpo0, *dpo1;
+ const load_balance_t *lb0, *lb1;
+ u32 pi0, ip_len0, udp_len0, flags0, next0, fib_index0, lbi0;
+ u32 pi1, ip_len1, udp_len1, flags1, next1, fib_index1, lbi1;
+ i32 len_diff0, len_diff1;
+ u8 error0, is_udp0, is_tcp_udp0, good_tcp_udp0, proto0;
+ u8 error1, is_udp1, is_tcp_udp1, good_tcp_udp1, proto1;
+ u8 enqueue_code;
+
+ pi0 = to_next[0] = from[0];
+ pi1 = to_next[1] = from[1];
+ from += 2;
+ n_left_from -= 2;
+ to_next += 2;
+ n_left_to_next -= 2;
p0 = vlib_get_buffer (vm, pi0);
p1 = vlib_get_buffer (vm, pi1);
ip0 = vlib_buffer_get_current (p0);
ip1 = vlib_buffer_get_current (p1);
+ vnet_buffer (p0)->ip.start_of_ip_header = p0->current_data;
+ vnet_buffer (p1)->ip.start_of_ip_header = p1->current_data;
+
fib_index0 = vec_elt (im->fib_index_by_sw_if_index,
- vnet_buffer(p0)->sw_if_index[VLIB_RX]);
+ vnet_buffer (p0)->sw_if_index[VLIB_RX]);
fib_index1 = vec_elt (im->fib_index_by_sw_if_index,
- vnet_buffer(p1)->sw_if_index[VLIB_RX]);
+ vnet_buffer (p1)->sw_if_index[VLIB_RX]);
mtrie0 = &ip4_fib_get (fib_index0)->mtrie;
mtrie1 = &ip4_fib_get (fib_index1)->mtrie;
leaf0 = leaf1 = IP4_FIB_MTRIE_LEAF_ROOT;
- leaf0 = ip4_fib_mtrie_lookup_step (mtrie0, leaf0, &ip0->src_address, 0);
- leaf1 = ip4_fib_mtrie_lookup_step (mtrie1, leaf1, &ip1->src_address, 0);
+ leaf0 =
+ ip4_fib_mtrie_lookup_step (mtrie0, leaf0, &ip0->src_address, 0);
+ leaf1 =
+ ip4_fib_mtrie_lookup_step (mtrie1, leaf1, &ip1->src_address, 0);
/* Treat IP frag packets as "experimental" protocol for now
until support of IP frag reassembly is implemented */
- proto0 = ip4_is_fragment(ip0) ? 0xfe : ip0->protocol;
- proto1 = ip4_is_fragment(ip1) ? 0xfe : ip1->protocol;
+ proto0 = ip4_is_fragment (ip0) ? 0xfe : ip0->protocol;
+ proto1 = ip4_is_fragment (ip1) ? 0xfe : ip1->protocol;
is_udp0 = proto0 == IP_PROTOCOL_UDP;
is_udp1 = proto1 == IP_PROTOCOL_UDP;
is_tcp_udp0 = is_udp0 || proto0 == IP_PROTOCOL_TCP;
good_tcp_udp0 |= is_udp0 && udp0->checksum == 0;
good_tcp_udp1 |= is_udp1 && udp1->checksum == 0;
- leaf0 = ip4_fib_mtrie_lookup_step (mtrie0, leaf0, &ip0->src_address, 1);
- leaf1 = ip4_fib_mtrie_lookup_step (mtrie1, leaf1, &ip1->src_address, 1);
+ leaf0 =
+ ip4_fib_mtrie_lookup_step (mtrie0, leaf0, &ip0->src_address, 1);
+ leaf1 =
+ ip4_fib_mtrie_lookup_step (mtrie1, leaf1, &ip1->src_address, 1);
/* Verify UDP length. */
ip_len0 = clib_net_to_host_u16 (ip0->length);
len_diff0 = is_udp0 ? len_diff0 : 0;
len_diff1 = is_udp1 ? len_diff1 : 0;
- if (PREDICT_FALSE (! (is_tcp_udp0 & is_tcp_udp1
- & good_tcp_udp0 & good_tcp_udp1)))
+ if (PREDICT_FALSE (!(is_tcp_udp0 & is_tcp_udp1
+ & good_tcp_udp0 & good_tcp_udp1)))
{
if (is_tcp_udp0)
{
if (is_tcp_udp0
- && ! (flags0 & IP_BUFFER_L4_CHECKSUM_COMPUTED))
+ && !(flags0 & IP_BUFFER_L4_CHECKSUM_COMPUTED))
flags0 = ip4_tcp_udp_validate_checksum (vm, p0);
good_tcp_udp0 =
(flags0 & IP_BUFFER_L4_CHECKSUM_CORRECT) != 0;
if (is_tcp_udp1)
{
if (is_tcp_udp1
- && ! (flags1 & IP_BUFFER_L4_CHECKSUM_COMPUTED))
+ && !(flags1 & IP_BUFFER_L4_CHECKSUM_COMPUTED))
flags1 = ip4_tcp_udp_validate_checksum (vm, p1);
good_tcp_udp1 =
(flags1 & IP_BUFFER_L4_CHECKSUM_CORRECT) != 0;
good_tcp_udp0 &= len_diff0 >= 0;
good_tcp_udp1 &= len_diff1 >= 0;
- leaf0 = ip4_fib_mtrie_lookup_step (mtrie0, leaf0, &ip0->src_address, 2);
- leaf1 = ip4_fib_mtrie_lookup_step (mtrie1, leaf1, &ip1->src_address, 2);
+ leaf0 =
+ ip4_fib_mtrie_lookup_step (mtrie0, leaf0, &ip0->src_address, 2);
+ leaf1 =
+ ip4_fib_mtrie_lookup_step (mtrie1, leaf1, &ip1->src_address, 2);
error0 = error1 = IP4_ERROR_UNKNOWN_PROTOCOL;
error1 = len_diff1 < 0 ? IP4_ERROR_UDP_LENGTH : error1;
ASSERT (IP4_ERROR_TCP_CHECKSUM + 1 == IP4_ERROR_UDP_CHECKSUM);
- error0 = (is_tcp_udp0 && ! good_tcp_udp0
- ? IP4_ERROR_TCP_CHECKSUM + is_udp0
- : error0);
- error1 = (is_tcp_udp1 && ! good_tcp_udp1
- ? IP4_ERROR_TCP_CHECKSUM + is_udp1
- : error1);
+ error0 = (is_tcp_udp0 && !good_tcp_udp0
+ ? IP4_ERROR_TCP_CHECKSUM + is_udp0 : error0);
+ error1 = (is_tcp_udp1 && !good_tcp_udp1
+ ? IP4_ERROR_TCP_CHECKSUM + is_udp1 : error1);
+
+ leaf0 =
+ ip4_fib_mtrie_lookup_step (mtrie0, leaf0, &ip0->src_address, 3);
+ leaf1 =
+ ip4_fib_mtrie_lookup_step (mtrie1, leaf1, &ip1->src_address, 3);
+ leaf0 =
+ (leaf0 ==
+ IP4_FIB_MTRIE_LEAF_EMPTY ? mtrie0->default_leaf : leaf0);
+ leaf1 =
+ (leaf1 ==
+ IP4_FIB_MTRIE_LEAF_EMPTY ? mtrie1->default_leaf : leaf1);
+
+ vnet_buffer (p0)->ip.adj_index[VLIB_RX] = lbi0 =
+ ip4_fib_mtrie_leaf_get_adj_index (leaf0);
+ vnet_buffer (p0)->ip.adj_index[VLIB_TX] = lbi0;
+
+ vnet_buffer (p1)->ip.adj_index[VLIB_RX] = lbi1 =
+ ip4_fib_mtrie_leaf_get_adj_index (leaf1);
+ vnet_buffer (p1)->ip.adj_index[VLIB_TX] = lbi1;
- leaf0 = ip4_fib_mtrie_lookup_step (mtrie0, leaf0, &ip0->src_address, 3);
- leaf1 = ip4_fib_mtrie_lookup_step (mtrie1, leaf1, &ip1->src_address, 3);
- leaf0 = (leaf0 == IP4_FIB_MTRIE_LEAF_EMPTY ? mtrie0->default_leaf : leaf0);
- leaf1 = (leaf1 == IP4_FIB_MTRIE_LEAF_EMPTY ? mtrie1->default_leaf : leaf1);
-
- vnet_buffer (p0)->ip.adj_index[VLIB_RX] = lbi0 = ip4_fib_mtrie_leaf_get_adj_index (leaf0);
- vnet_buffer (p0)->ip.adj_index[VLIB_TX] = lbi0;
-
- vnet_buffer (p1)->ip.adj_index[VLIB_RX] = lbi1 = ip4_fib_mtrie_leaf_get_adj_index (leaf1);
- vnet_buffer (p1)->ip.adj_index[VLIB_TX] = lbi1;
-
- lb0 = load_balance_get(lbi0);
- lb1 = load_balance_get(lbi1);
- dpo0 = load_balance_get_bucket_i(lb0, 0);
- dpo1 = load_balance_get_bucket_i(lb1, 0);
+ lb0 = load_balance_get (lbi0);
+ lb1 = load_balance_get (lbi1);
+ dpo0 = load_balance_get_bucket_i (lb0, 0);
+ dpo1 = load_balance_get_bucket_i (lb1, 0);
/*
- * Must have a route to source otherwise we drop the packet.
- * ip4 broadcasts are accepted, e.g. to make dhcp client work
+ * Must have a route to source otherwise we drop the packet.
+ * ip4 broadcasts are accepted, e.g. to make dhcp client work
*
* The checks are:
* - the source is a recieve => it's from us => bogus, do this
* first since it sets a different error code.
* - uRPF check for any route to source - accept if passes.
* - allow packets destined to the broadcast address from unknown sources
- */
- error0 = ((error0 == IP4_ERROR_UNKNOWN_PROTOCOL &&
+ */
+ error0 = ((error0 == IP4_ERROR_UNKNOWN_PROTOCOL &&
dpo0->dpoi_type == DPO_RECEIVE) ?
- IP4_ERROR_SPOOFED_LOCAL_PACKETS :
- error0);
+ IP4_ERROR_SPOOFED_LOCAL_PACKETS : error0);
error0 = ((error0 == IP4_ERROR_UNKNOWN_PROTOCOL &&
- !fib_urpf_check_size(lb0->lb_urpf) &&
+ !fib_urpf_check_size (lb0->lb_urpf) &&
ip0->dst_address.as_u32 != 0xFFFFFFFF)
- ? IP4_ERROR_SRC_LOOKUP_MISS
- : error0);
- error1 = ((error1 == IP4_ERROR_UNKNOWN_PROTOCOL &&
+ ? IP4_ERROR_SRC_LOOKUP_MISS : error0);
+ error1 = ((error1 == IP4_ERROR_UNKNOWN_PROTOCOL &&
dpo1->dpoi_type == DPO_RECEIVE) ?
- IP4_ERROR_SPOOFED_LOCAL_PACKETS :
- error1);
+ IP4_ERROR_SPOOFED_LOCAL_PACKETS : error1);
error1 = ((error1 == IP4_ERROR_UNKNOWN_PROTOCOL &&
- !fib_urpf_check_size(lb1->lb_urpf) &&
+ !fib_urpf_check_size (lb1->lb_urpf) &&
ip1->dst_address.as_u32 != 0xFFFFFFFF)
- ? IP4_ERROR_SRC_LOOKUP_MISS
- : error1);
+ ? IP4_ERROR_SRC_LOOKUP_MISS : error1);
next0 = lm->local_next_by_ip_protocol[proto0];
next1 = lm->local_next_by_ip_protocol[proto1];
- next0 = error0 != IP4_ERROR_UNKNOWN_PROTOCOL ? IP_LOCAL_NEXT_DROP : next0;
- next1 = error1 != IP4_ERROR_UNKNOWN_PROTOCOL ? IP_LOCAL_NEXT_DROP : next1;
+ next0 =
+ error0 != IP4_ERROR_UNKNOWN_PROTOCOL ? IP_LOCAL_NEXT_DROP : next0;
+ next1 =
+ error1 != IP4_ERROR_UNKNOWN_PROTOCOL ? IP_LOCAL_NEXT_DROP : next1;
p0->error = error0 ? error_node->errors[error0] : 0;
p1->error = error1 ? error_node->errors[error1] : 0;
- enqueue_code = (next0 != next_index) + 2*(next1 != next_index);
+ enqueue_code = (next0 != next_index) + 2 * (next1 != next_index);
if (PREDICT_FALSE (enqueue_code != 0))
{
vlib_set_next_frame_buffer (vm, node, next1, pi1);
if (next0 == next1)
{
- vlib_put_next_frame (vm, node, next_index, n_left_to_next);
+ vlib_put_next_frame (vm, node, next_index,
+ n_left_to_next);
next_index = next1;
- vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
+ vlib_get_next_frame (vm, node, next_index, to_next,
+ n_left_to_next);
}
break;
}
while (n_left_from > 0 && n_left_to_next > 0)
{
- vlib_buffer_t * p0;
- ip4_header_t * ip0;
- udp_header_t * udp0;
- ip4_fib_mtrie_t * mtrie0;
+ vlib_buffer_t *p0;
+ ip4_header_t *ip0;
+ udp_header_t *udp0;
+ ip4_fib_mtrie_t *mtrie0;
ip4_fib_mtrie_leaf_t leaf0;
u32 pi0, next0, ip_len0, udp_len0, flags0, fib_index0, lbi0;
i32 len_diff0;
u8 error0, is_udp0, is_tcp_udp0, good_tcp_udp0, proto0;
- load_balance_t *lb0;
+ load_balance_t *lb0;
const dpo_id_t *dpo0;
pi0 = to_next[0] = from[0];
ip0 = vlib_buffer_get_current (p0);
+ vnet_buffer (p0)->ip.start_of_ip_header = p0->current_data;
+
fib_index0 = vec_elt (im->fib_index_by_sw_if_index,
- vnet_buffer(p0)->sw_if_index[VLIB_RX]);
+ vnet_buffer (p0)->sw_if_index[VLIB_RX]);
mtrie0 = &ip4_fib_get (fib_index0)->mtrie;
leaf0 = IP4_FIB_MTRIE_LEAF_ROOT;
- leaf0 = ip4_fib_mtrie_lookup_step (mtrie0, leaf0, &ip0->src_address, 0);
+ leaf0 =
+ ip4_fib_mtrie_lookup_step (mtrie0, leaf0, &ip0->src_address, 0);
/* Treat IP frag packets as "experimental" protocol for now
until support of IP frag reassembly is implemented */
- proto0 = ip4_is_fragment(ip0) ? 0xfe : ip0->protocol;
+ proto0 = ip4_is_fragment (ip0) ? 0xfe : ip0->protocol;
is_udp0 = proto0 == IP_PROTOCOL_UDP;
is_tcp_udp0 = is_udp0 || proto0 == IP_PROTOCOL_TCP;
/* Don't verify UDP checksum for packets with explicit zero checksum. */
good_tcp_udp0 |= is_udp0 && udp0->checksum == 0;
- leaf0 = ip4_fib_mtrie_lookup_step (mtrie0, leaf0, &ip0->src_address, 1);
+ leaf0 =
+ ip4_fib_mtrie_lookup_step (mtrie0, leaf0, &ip0->src_address, 1);
/* Verify UDP length. */
ip_len0 = clib_net_to_host_u16 (ip0->length);
len_diff0 = is_udp0 ? len_diff0 : 0;
- if (PREDICT_FALSE (! (is_tcp_udp0 & good_tcp_udp0)))
+ if (PREDICT_FALSE (!(is_tcp_udp0 & good_tcp_udp0)))
{
if (is_tcp_udp0)
{
if (is_tcp_udp0
- && ! (flags0 & IP_BUFFER_L4_CHECKSUM_COMPUTED))
+ && !(flags0 & IP_BUFFER_L4_CHECKSUM_COMPUTED))
flags0 = ip4_tcp_udp_validate_checksum (vm, p0);
good_tcp_udp0 =
(flags0 & IP_BUFFER_L4_CHECKSUM_CORRECT) != 0;
good_tcp_udp0 &= len_diff0 >= 0;
- leaf0 = ip4_fib_mtrie_lookup_step (mtrie0, leaf0, &ip0->src_address, 2);
+ leaf0 =
+ ip4_fib_mtrie_lookup_step (mtrie0, leaf0, &ip0->src_address, 2);
error0 = IP4_ERROR_UNKNOWN_PROTOCOL;
error0 = len_diff0 < 0 ? IP4_ERROR_UDP_LENGTH : error0;
ASSERT (IP4_ERROR_TCP_CHECKSUM + 1 == IP4_ERROR_UDP_CHECKSUM);
- error0 = (is_tcp_udp0 && ! good_tcp_udp0
- ? IP4_ERROR_TCP_CHECKSUM + is_udp0
- : error0);
+ error0 = (is_tcp_udp0 && !good_tcp_udp0
+ ? IP4_ERROR_TCP_CHECKSUM + is_udp0 : error0);
- leaf0 = ip4_fib_mtrie_lookup_step (mtrie0, leaf0, &ip0->src_address, 3);
- leaf0 = (leaf0 == IP4_FIB_MTRIE_LEAF_EMPTY ? mtrie0->default_leaf : leaf0);
+ leaf0 =
+ ip4_fib_mtrie_lookup_step (mtrie0, leaf0, &ip0->src_address, 3);
+ leaf0 =
+ (leaf0 ==
+ IP4_FIB_MTRIE_LEAF_EMPTY ? mtrie0->default_leaf : leaf0);
lbi0 = ip4_fib_mtrie_leaf_get_adj_index (leaf0);
- vnet_buffer (p0)->ip.adj_index[VLIB_TX] = lbi0;
+ vnet_buffer (p0)->ip.adj_index[VLIB_TX] = lbi0;
- lb0 = load_balance_get(lbi0);
- dpo0 = load_balance_get_bucket_i(lb0, 0);
+ lb0 = load_balance_get (lbi0);
+ dpo0 = load_balance_get_bucket_i (lb0, 0);
vnet_buffer (p0)->ip.adj_index[VLIB_TX] =
- vnet_buffer (p0)->ip.adj_index[VLIB_RX] =
- dpo0->dpoi_index;
+ vnet_buffer (p0)->ip.adj_index[VLIB_RX] = lbi0;
- error0 = ((error0 == IP4_ERROR_UNKNOWN_PROTOCOL &&
+ error0 = ((error0 == IP4_ERROR_UNKNOWN_PROTOCOL &&
dpo0->dpoi_type == DPO_RECEIVE) ?
- IP4_ERROR_SPOOFED_LOCAL_PACKETS :
- error0);
+ IP4_ERROR_SPOOFED_LOCAL_PACKETS : error0);
error0 = ((error0 == IP4_ERROR_UNKNOWN_PROTOCOL &&
- !fib_urpf_check_size(lb0->lb_urpf) &&
+ !fib_urpf_check_size (lb0->lb_urpf) &&
ip0->dst_address.as_u32 != 0xFFFFFFFF)
- ? IP4_ERROR_SRC_LOOKUP_MISS
- : error0);
+ ? IP4_ERROR_SRC_LOOKUP_MISS : error0);
next0 = lm->local_next_by_ip_protocol[proto0];
- next0 = error0 != IP4_ERROR_UNKNOWN_PROTOCOL ? IP_LOCAL_NEXT_DROP : next0;
+ next0 =
+ error0 != IP4_ERROR_UNKNOWN_PROTOCOL ? IP_LOCAL_NEXT_DROP : next0;
- p0->error = error0? error_node->errors[error0] : 0;
+ p0->error = error0 ? error_node->errors[error0] : 0;
if (PREDICT_FALSE (next0 != next_index))
{
vlib_put_next_frame (vm, node, next_index, n_left_to_next);
next_index = next0;
- vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
+ vlib_get_next_frame (vm, node, next_index, to_next,
+ n_left_to_next);
to_next[0] = pi0;
to_next += 1;
n_left_to_next -= 1;
return frame->n_vectors;
}
-VLIB_REGISTER_NODE (ip4_local_node,static) = {
- .function = ip4_local,
- .name = "ip4-local",
- .vector_size = sizeof (u32),
-
- .format_trace = format_ip4_forward_next_trace,
-
- .n_next_nodes = IP_LOCAL_N_NEXT,
- .next_nodes = {
- [IP_LOCAL_NEXT_DROP] = "error-drop",
- [IP_LOCAL_NEXT_PUNT] = "error-punt",
- [IP_LOCAL_NEXT_UDP_LOOKUP] = "ip4-udp-lookup",
- [IP_LOCAL_NEXT_ICMP] = "ip4-icmp-input",
- },
-};
+VLIB_REGISTER_NODE (ip4_local_node, static) =
+{
+ .function = ip4_local,.name = "ip4-local",.vector_size =
+ sizeof (u32),.format_trace = format_ip4_forward_next_trace,.n_next_nodes =
+ IP_LOCAL_N_NEXT,.next_nodes =
+ {
+ [IP_LOCAL_NEXT_DROP] = "error-drop",
+ [IP_LOCAL_NEXT_PUNT] = "error-punt",
+ [IP_LOCAL_NEXT_UDP_LOOKUP] = "ip4-udp-lookup",
+ [IP_LOCAL_NEXT_ICMP] = "ip4-icmp-input",}
+,};
-VLIB_NODE_FUNCTION_MULTIARCH (ip4_local_node, ip4_local)
+VLIB_NODE_FUNCTION_MULTIARCH (ip4_local_node, ip4_local);
-void ip4_register_protocol (u32 protocol, u32 node_index)
+void
+ip4_register_protocol (u32 protocol, u32 node_index)
{
- vlib_main_t * vm = vlib_get_main();
- ip4_main_t * im = &ip4_main;
- ip_lookup_main_t * lm = &im->lookup_main;
+ vlib_main_t *vm = vlib_get_main ();
+ ip4_main_t *im = &ip4_main;
+ ip_lookup_main_t *lm = &im->lookup_main;
ASSERT (protocol < ARRAY_LEN (lm->local_next_by_ip_protocol));
- lm->local_next_by_ip_protocol[protocol] = vlib_node_add_next (vm, ip4_local_node.index, node_index);
+ lm->local_next_by_ip_protocol[protocol] =
+ vlib_node_add_next (vm, ip4_local_node.index, node_index);
}
static clib_error_t *
show_ip_local_command_fn (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
+ unformat_input_t * input, vlib_cli_command_t * cmd)
{
- ip4_main_t * im = &ip4_main;
- ip_lookup_main_t * lm = &im->lookup_main;
+ ip4_main_t *im = &ip4_main;
+ ip_lookup_main_t *lm = &im->lookup_main;
int i;
vlib_cli_output (vm, "Protocols handled by ip4_local");
- for (i = 0; i < ARRAY_LEN(lm->local_next_by_ip_protocol); i++)
+ for (i = 0; i < ARRAY_LEN (lm->local_next_by_ip_protocol); i++)
{
if (lm->local_next_by_ip_protocol[i] != IP_LOCAL_NEXT_PUNT)
- vlib_cli_output (vm, "%d", i);
+ vlib_cli_output (vm, "%d", i);
}
return 0;
}
* @cliexend
?*/
/* *INDENT-OFF* */
-VLIB_CLI_COMMAND (show_ip_local, static) = {
+VLIB_CLI_COMMAND (show_ip_local, static) =
+{
.path = "show ip local",
.function = show_ip_local_command_fn,
.short_help = "show ip local",
always_inline uword
ip4_arp_inline (vlib_main_t * vm,
vlib_node_runtime_t * node,
- vlib_frame_t * frame,
- int is_glean)
+ vlib_frame_t * frame, int is_glean)
{
- vnet_main_t * vnm = vnet_get_main();
- ip4_main_t * im = &ip4_main;
- ip_lookup_main_t * lm = &im->lookup_main;
- u32 * from, * to_next_drop;
+ vnet_main_t *vnm = vnet_get_main ();
+ ip4_main_t *im = &ip4_main;
+ ip_lookup_main_t *lm = &im->lookup_main;
+ u32 *from, *to_next_drop;
uword n_left_from, n_left_to_next_drop, next_index;
static f64 time_last_seed_change = -1e100;
static u32 hash_seeds[3];
if (time_now - time_last_seed_change > 1e-3)
{
uword i;
- u32 * r = clib_random_buffer_get_data (&vm->random_buffer,
- sizeof (hash_seeds));
+ u32 *r = clib_random_buffer_get_data (&vm->random_buffer,
+ sizeof (hash_seeds));
for (i = 0; i < ARRAY_LEN (hash_seeds); i++)
hash_seeds[i] = r[i];
n_left_from = frame->n_vectors;
next_index = node->cached_next_index;
if (next_index == IP4_ARP_NEXT_DROP)
- next_index = IP4_ARP_N_NEXT; /* point to first interface */
+ next_index = IP4_ARP_N_NEXT; /* point to first interface */
while (n_left_from > 0)
{
while (n_left_from > 0 && n_left_to_next_drop > 0)
{
u32 pi0, adj_index0, a0, b0, c0, m0, sw_if_index0, drop0;
- ip_adjacency_t * adj0;
- vlib_buffer_t * p0;
- ip4_header_t * ip0;
+ ip_adjacency_t *adj0;
+ vlib_buffer_t *p0;
+ ip4_header_t *ip0;
uword bm0;
pi0 = from[0];
adj0 = ip_get_adjacency (lm, adj_index0);
ip0 = vlib_buffer_get_current (p0);
- /*
- * this is the Glean case, so we are ARPing for the
- * packet's destination
- */
a0 = hash_seeds[0];
b0 = hash_seeds[1];
c0 = hash_seeds[2];
sw_if_index0 = adj0->rewrite_header.sw_if_index;
vnet_buffer (p0)->sw_if_index[VLIB_TX] = sw_if_index0;
- if (is_glean)
- {
- a0 ^= ip0->dst_address.data_u32;
- }
- else
- {
- a0 ^= adj0->sub_type.nbr.next_hop.ip4.data_u32;
- }
+ if (is_glean)
+ {
+ /*
+ * this is the Glean case, so we are ARPing for the
+ * packet's destination
+ */
+ a0 ^= ip0->dst_address.data_u32;
+ }
+ else
+ {
+ a0 ^= adj0->sub_type.nbr.next_hop.ip4.data_u32;
+ }
b0 ^= sw_if_index0;
hash_v3_finalize32 (a0, b0, c0);
to_next_drop += 1;
n_left_to_next_drop -= 1;
- p0->error = node->errors[drop0 ? IP4_ARP_ERROR_DROP : IP4_ARP_ERROR_REQUEST_SENT];
+ p0->error =
+ node->errors[drop0 ? IP4_ARP_ERROR_DROP :
+ IP4_ARP_ERROR_REQUEST_SENT];
/*
* the adj has been updated to a rewrite but the node the DPO that got
if (drop0)
continue;
- /*
- * Can happen if the control-plane is programming tables
- * with traffic flowing; at least that's today's lame excuse.
- */
+ /*
+ * Can happen if the control-plane is programming tables
+ * with traffic flowing; at least that's today's lame excuse.
+ */
if ((is_glean && adj0->lookup_next_index != IP_LOOKUP_NEXT_GLEAN) ||
(!is_glean && adj0->lookup_next_index != IP_LOOKUP_NEXT_ARP))
- {
- p0->error = node->errors[IP4_ARP_ERROR_NON_ARP_ADJ];
- }
- else
- /* Send ARP request. */
- {
- u32 bi0 = 0;
- vlib_buffer_t * b0;
- ethernet_arp_header_t * h0;
- vnet_hw_interface_t * hw_if0;
-
- h0 = vlib_packet_template_get_packet (vm, &im->ip4_arp_request_packet_template, &bi0);
+ {
+ p0->error = node->errors[IP4_ARP_ERROR_NON_ARP_ADJ];
+ }
+ else
+ /* Send ARP request. */
+ {
+ u32 bi0 = 0;
+ vlib_buffer_t *b0;
+ ethernet_arp_header_t *h0;
+ vnet_hw_interface_t *hw_if0;
- /* Add rewrite/encap string for ARP packet. */
- vnet_rewrite_one_header (adj0[0], h0, sizeof (ethernet_header_t));
+ h0 =
+ vlib_packet_template_get_packet (vm,
+ &im->ip4_arp_request_packet_template,
+ &bi0);
- hw_if0 = vnet_get_sup_hw_interface (vnm, sw_if_index0);
+ /* Add rewrite/encap string for ARP packet. */
+ vnet_rewrite_one_header (adj0[0], h0,
+ sizeof (ethernet_header_t));
- /* Src ethernet address in ARP header. */
- clib_memcpy (h0->ip4_over_ethernet[0].ethernet, hw_if0->hw_address,
- sizeof (h0->ip4_over_ethernet[0].ethernet));
+ hw_if0 = vnet_get_sup_hw_interface (vnm, sw_if_index0);
- if (is_glean)
- {
- /* The interface's source address is stashed in the Glean Adj */
- h0->ip4_over_ethernet[0].ip4 = adj0->sub_type.glean.receive_addr.ip4;
+ /* Src ethernet address in ARP header. */
+ clib_memcpy (h0->ip4_over_ethernet[0].ethernet,
+ hw_if0->hw_address,
+ sizeof (h0->ip4_over_ethernet[0].ethernet));
- /* Copy in destination address we are requesting. This is the
- * glean case, so it's the packet's destination.*/
- h0->ip4_over_ethernet[1].ip4.data_u32 = ip0->dst_address.data_u32;
- }
- else
- {
- /* Src IP address in ARP header. */
- if (ip4_src_address_for_packet(lm, sw_if_index0,
- &h0->ip4_over_ethernet[0].ip4))
+ if (is_glean)
{
- /* No source address available */
- p0->error = node->errors[IP4_ARP_ERROR_NO_SOURCE_ADDRESS];
- vlib_buffer_free(vm, &bi0, 1);
- continue;
+ /* The interface's source address is stashed in the Glean Adj */
+ h0->ip4_over_ethernet[0].ip4 =
+ adj0->sub_type.glean.receive_addr.ip4;
+
+ /* Copy in destination address we are requesting. This is the
+ * glean case, so it's the packet's destination.*/
+ h0->ip4_over_ethernet[1].ip4.data_u32 =
+ ip0->dst_address.data_u32;
}
+ else
+ {
+ /* Src IP address in ARP header. */
+ if (ip4_src_address_for_packet (lm, sw_if_index0,
+ &h0->
+ ip4_over_ethernet[0].ip4))
+ {
+ /* No source address available */
+ p0->error =
+ node->errors[IP4_ARP_ERROR_NO_SOURCE_ADDRESS];
+ vlib_buffer_free (vm, &bi0, 1);
+ continue;
+ }
- /* Copy in destination address we are requesting from the
- incomplete adj */
- h0->ip4_over_ethernet[1].ip4.data_u32 =
+ /* Copy in destination address we are requesting from the
+ incomplete adj */
+ h0->ip4_over_ethernet[1].ip4.data_u32 =
adj0->sub_type.nbr.next_hop.ip4.as_u32;
- }
+ }
- vlib_buffer_copy_trace_flag (vm, p0, bi0);
- b0 = vlib_get_buffer (vm, bi0);
- vnet_buffer (b0)->sw_if_index[VLIB_TX] = sw_if_index0;
+ vlib_buffer_copy_trace_flag (vm, p0, bi0);
+ b0 = vlib_get_buffer (vm, bi0);
+ vnet_buffer (b0)->sw_if_index[VLIB_TX] = sw_if_index0;
- vlib_buffer_advance (b0, -adj0->rewrite_header.data_bytes);
+ vlib_buffer_advance (b0, -adj0->rewrite_header.data_bytes);
- vlib_set_next_frame_buffer (vm, node, adj0->rewrite_header.next_index, bi0);
- }
+ vlib_set_next_frame_buffer (vm, node,
+ adj0->rewrite_header.next_index,
+ bi0);
+ }
}
vlib_put_next_frame (vm, node, IP4_ARP_NEXT_DROP, n_left_to_next_drop);
}
static uword
-ip4_arp (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
+ip4_arp (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame)
{
- return (ip4_arp_inline(vm, node, frame, 0));
+ return (ip4_arp_inline (vm, node, frame, 0));
}
static uword
-ip4_glean (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
+ip4_glean (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame)
{
- return (ip4_arp_inline(vm, node, frame, 1));
+ return (ip4_arp_inline (vm, node, frame, 1));
}
-static char * ip4_arp_error_strings[] = {
+static char *ip4_arp_error_strings[] = {
[IP4_ARP_ERROR_DROP] = "address overflow drops",
[IP4_ARP_ERROR_REQUEST_SENT] = "ARP requests sent",
[IP4_ARP_ERROR_NON_ARP_ADJ] = "ARPs to non-ARP adjacencies",
[IP4_ARP_ERROR_NO_SOURCE_ADDRESS] = "no source address for ARP request",
};
-VLIB_REGISTER_NODE (ip4_arp_node) = {
- .function = ip4_arp,
- .name = "ip4-arp",
- .vector_size = sizeof (u32),
-
- .format_trace = format_ip4_forward_next_trace,
-
- .n_errors = ARRAY_LEN (ip4_arp_error_strings),
- .error_strings = ip4_arp_error_strings,
-
- .n_next_nodes = IP4_ARP_N_NEXT,
- .next_nodes = {
- [IP4_ARP_NEXT_DROP] = "error-drop",
- },
-};
-
-VLIB_REGISTER_NODE (ip4_glean_node) = {
- .function = ip4_glean,
- .name = "ip4-glean",
- .vector_size = sizeof (u32),
-
- .format_trace = format_ip4_forward_next_trace,
-
- .n_errors = ARRAY_LEN (ip4_arp_error_strings),
- .error_strings = ip4_arp_error_strings,
+VLIB_REGISTER_NODE (ip4_arp_node) =
+{
+ .function = ip4_arp,.name = "ip4-arp",.vector_size =
+ sizeof (u32),.format_trace = format_ip4_forward_next_trace,.n_errors =
+ ARRAY_LEN (ip4_arp_error_strings),.error_strings =
+ ip4_arp_error_strings,.n_next_nodes = IP4_ARP_N_NEXT,.next_nodes =
+ {
+ [IP4_ARP_NEXT_DROP] = "error-drop",}
+,};
- .n_next_nodes = IP4_ARP_N_NEXT,
- .next_nodes = {
- [IP4_ARP_NEXT_DROP] = "error-drop",
- },
-};
+VLIB_REGISTER_NODE (ip4_glean_node) =
+{
+ .function = ip4_glean,.name = "ip4-glean",.vector_size =
+ sizeof (u32),.format_trace = format_ip4_forward_next_trace,.n_errors =
+ ARRAY_LEN (ip4_arp_error_strings),.error_strings =
+ ip4_arp_error_strings,.n_next_nodes = IP4_ARP_N_NEXT,.next_nodes =
+ {
+ [IP4_ARP_NEXT_DROP] = "error-drop",}
+,};
#define foreach_notrace_ip4_arp_error \
_(DROP) \
_(REPLICATE_DROP) \
_(REPLICATE_FAIL)
-clib_error_t * arp_notrace_init (vlib_main_t * vm)
+clib_error_t *
+arp_notrace_init (vlib_main_t * vm)
{
- vlib_node_runtime_t *rt =
- vlib_node_get_runtime (vm, ip4_arp_node.index);
+ vlib_node_runtime_t *rt = vlib_node_get_runtime (vm, ip4_arp_node.index);
/* don't trace ARP request packets */
#define _(a) \
vnet_pcap_drop_trace_filter_add_del \
(rt->errors[IP4_ARP_ERROR_##a], \
1 /* is_add */);
- foreach_notrace_ip4_arp_error;
+ foreach_notrace_ip4_arp_error;
#undef _
return 0;
}
-VLIB_INIT_FUNCTION(arp_notrace_init);
+VLIB_INIT_FUNCTION (arp_notrace_init);
/* Send an ARP request to see if given destination is reachable on given interface. */
clib_error_t *
ip4_probe_neighbor (vlib_main_t * vm, ip4_address_t * dst, u32 sw_if_index)
{
- vnet_main_t * vnm = vnet_get_main();
- ip4_main_t * im = &ip4_main;
- ethernet_arp_header_t * h;
- ip4_address_t * src;
- ip_interface_address_t * ia;
- ip_adjacency_t * adj;
- vnet_hw_interface_t * hi;
- vnet_sw_interface_t * si;
- vlib_buffer_t * b;
+ vnet_main_t *vnm = vnet_get_main ();
+ ip4_main_t *im = &ip4_main;
+ ethernet_arp_header_t *h;
+ ip4_address_t *src;
+ ip_interface_address_t *ia;
+ ip_adjacency_t *adj;
+ vnet_hw_interface_t *hi;
+ vnet_sw_interface_t *si;
+ vlib_buffer_t *b;
u32 bi = 0;
si = vnet_get_sw_interface (vnm, sw_if_index);
if (!(si->flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP))
{
return clib_error_return (0, "%U: interface %U down",
- format_ip4_address, dst,
- format_vnet_sw_if_index_name, vnm,
- sw_if_index);
+ format_ip4_address, dst,
+ format_vnet_sw_if_index_name, vnm,
+ sw_if_index);
}
- src = ip4_interface_address_matching_destination (im, dst, sw_if_index, &ia);
- if (! src)
+ src =
+ ip4_interface_address_matching_destination (im, dst, sw_if_index, &ia);
+ if (!src)
{
vnm->api_errno = VNET_API_ERROR_NO_MATCHING_INTERFACE;
return clib_error_return
- (0, "no matching interface address for destination %U (interface %U)",
- format_ip4_address, dst,
- format_vnet_sw_if_index_name, vnm, sw_if_index);
+ (0, "no matching interface address for destination %U (interface %U)",
+ format_ip4_address, dst,
+ format_vnet_sw_if_index_name, vnm, sw_if_index);
}
adj = ip_get_adjacency (&im->lookup_main, ia->neighbor_probe_adj_index);
- h = vlib_packet_template_get_packet (vm, &im->ip4_arp_request_packet_template, &bi);
+ h =
+ vlib_packet_template_get_packet (vm, &im->ip4_arp_request_packet_template,
+ &bi);
hi = vnet_get_sup_hw_interface (vnm, sw_if_index);
- clib_memcpy (h->ip4_over_ethernet[0].ethernet, hi->hw_address, sizeof (h->ip4_over_ethernet[0].ethernet));
+ clib_memcpy (h->ip4_over_ethernet[0].ethernet, hi->hw_address,
+ sizeof (h->ip4_over_ethernet[0].ethernet));
h->ip4_over_ethernet[0].ip4 = src[0];
h->ip4_over_ethernet[1].ip4 = dst[0];
b = vlib_get_buffer (vm, bi);
- vnet_buffer (b)->sw_if_index[VLIB_RX] = vnet_buffer (b)->sw_if_index[VLIB_TX] = sw_if_index;
+ vnet_buffer (b)->sw_if_index[VLIB_RX] =
+ vnet_buffer (b)->sw_if_index[VLIB_TX] = sw_if_index;
/* Add encapsulation string for software interface (e.g. ethernet header). */
vnet_rewrite_one_header (adj[0], h, sizeof (ethernet_header_t));
vlib_buffer_advance (b, -adj->rewrite_header.data_bytes);
{
- vlib_frame_t * f = vlib_get_frame_to_node (vm, hi->output_node_index);
- u32 * to_next = vlib_frame_vector_args (f);
+ vlib_frame_t *f = vlib_get_frame_to_node (vm, hi->output_node_index);
+ u32 *to_next = vlib_frame_vector_args (f);
to_next[0] = bi;
f->n_vectors = 1;
vlib_put_frame_to_node (vm, hi->output_node_index, f);
return /* no error */ 0;
}
-typedef enum {
+typedef enum
+{
IP4_REWRITE_NEXT_DROP,
- IP4_REWRITE_NEXT_ARP,
IP4_REWRITE_NEXT_ICMP_ERROR,
} ip4_rewrite_next_t;
always_inline uword
ip4_rewrite_inline (vlib_main_t * vm,
vlib_node_runtime_t * node,
- vlib_frame_t * frame,
- int rewrite_for_locally_received_packets,
- int is_midchain)
+ vlib_frame_t * frame, int is_midchain)
{
- ip_lookup_main_t * lm = &ip4_main.lookup_main;
- u32 * from = vlib_frame_vector_args (frame);
- u32 n_left_from, n_left_to_next, * to_next, next_index;
- vlib_node_runtime_t * error_node = vlib_node_get_runtime (vm, ip4_input_node.index);
- vlib_rx_or_tx_t adj_rx_tx = rewrite_for_locally_received_packets ? VLIB_RX : VLIB_TX;
- ip_config_main_t * cm = &lm->feature_config_mains[VNET_IP_TX_FEAT];
+ ip_lookup_main_t *lm = &ip4_main.lookup_main;
+ u32 *from = vlib_frame_vector_args (frame);
+ u32 n_left_from, n_left_to_next, *to_next, next_index;
+ vlib_node_runtime_t *error_node =
+ vlib_node_get_runtime (vm, ip4_input_node.index);
n_left_from = frame->n_vectors;
next_index = node->cached_next_index;
- u32 cpu_index = os_get_cpu_number();
+ u32 cpu_index = os_get_cpu_number ();
while (n_left_from > 0)
{
while (n_left_from >= 4 && n_left_to_next >= 2)
{
- ip_adjacency_t * adj0, * adj1;
- vlib_buffer_t * p0, * p1;
- ip4_header_t * ip0, * ip1;
+ ip_adjacency_t *adj0, *adj1;
+ vlib_buffer_t *p0, *p1;
+ ip4_header_t *ip0, *ip1;
u32 pi0, rw_len0, next0, error0, checksum0, adj_index0;
u32 pi1, rw_len1, next1, error1, checksum1, adj_index1;
- u32 next0_override, next1_override;
- u32 tx_sw_if_index0, tx_sw_if_index1;
-
- if (rewrite_for_locally_received_packets)
- next0_override = next1_override = 0;
+ u32 tx_sw_if_index0, tx_sw_if_index1;
/* Prefetch next iteration. */
{
- vlib_buffer_t * p2, * p3;
+ vlib_buffer_t *p2, *p3;
p2 = vlib_get_buffer (vm, from[2]);
p3 = vlib_get_buffer (vm, from[3]);
p0 = vlib_get_buffer (vm, pi0);
p1 = vlib_get_buffer (vm, pi1);
- adj_index0 = vnet_buffer (p0)->ip.adj_index[adj_rx_tx];
- adj_index1 = vnet_buffer (p1)->ip.adj_index[adj_rx_tx];
+ adj_index0 = vnet_buffer (p0)->ip.adj_index[VLIB_TX];
+ adj_index1 = vnet_buffer (p1)->ip.adj_index[VLIB_TX];
- /* We should never rewrite a pkt using the MISS adjacency */
- ASSERT(adj_index0 && adj_index1);
+ /* We should never rewrite a pkt using the MISS adjacency */
+ ASSERT (adj_index0 && adj_index1);
ip0 = vlib_buffer_get_current (p0);
ip1 = vlib_buffer_get_current (p1);
error0 = error1 = IP4_ERROR_NONE;
- next0 = next1 = IP4_REWRITE_NEXT_DROP;
+ next0 = next1 = IP4_REWRITE_NEXT_DROP;
/* Decrement TTL & update checksum.
Works either endian, so no need for byte swap. */
- if (! rewrite_for_locally_received_packets)
+ if (PREDICT_TRUE (!(p0->flags & VNET_BUFFER_LOCALLY_ORIGINATED)))
{
- i32 ttl0 = ip0->ttl, ttl1 = ip1->ttl;
+ i32 ttl0 = ip0->ttl;
/* Input node should have reject packets with ttl 0. */
ASSERT (ip0->ttl > 0);
- ASSERT (ip1->ttl > 0);
checksum0 = ip0->checksum + clib_host_to_net_u16 (0x0100);
- checksum1 = ip1->checksum + clib_host_to_net_u16 (0x0100);
-
checksum0 += checksum0 >= 0xffff;
- checksum1 += checksum1 >= 0xffff;
ip0->checksum = checksum0;
- ip1->checksum = checksum1;
-
ttl0 -= 1;
- ttl1 -= 1;
-
ip0->ttl = ttl0;
+
+ /*
+ * If the ttl drops below 1 when forwarding, generate
+ * an ICMP response.
+ */
+ if (PREDICT_FALSE (ttl0 <= 0))
+ {
+ error0 = IP4_ERROR_TIME_EXPIRED;
+ vnet_buffer (p0)->sw_if_index[VLIB_TX] = (u32) ~ 0;
+ icmp4_error_set_vnet_buffer (p0, ICMP4_time_exceeded,
+ ICMP4_time_exceeded_ttl_exceeded_in_transit,
+ 0);
+ next0 = IP4_REWRITE_NEXT_ICMP_ERROR;
+ }
+
+ /* Verify checksum. */
+ ASSERT (ip0->checksum == ip4_header_checksum (ip0));
+ }
+ else
+ {
+ p0->flags &= ~VNET_BUFFER_LOCALLY_ORIGINATED;
+ }
+ if (PREDICT_TRUE (!(p1->flags & VNET_BUFFER_LOCALLY_ORIGINATED)))
+ {
+ i32 ttl1 = ip1->ttl;
+
+ /* Input node should have reject packets with ttl 0. */
+ ASSERT (ip1->ttl > 0);
+
+ checksum1 = ip1->checksum + clib_host_to_net_u16 (0x0100);
+ checksum1 += checksum1 >= 0xffff;
+
+ ip1->checksum = checksum1;
+ ttl1 -= 1;
ip1->ttl = ttl1;
- /*
- * If the ttl drops below 1 when forwarding, generate
- * an ICMP response.
- */
- if (PREDICT_FALSE(ttl0 <= 0))
- {
- error0 = IP4_ERROR_TIME_EXPIRED;
- vnet_buffer (p0)->sw_if_index[VLIB_TX] = (u32)~0;
- icmp4_error_set_vnet_buffer(p0, ICMP4_time_exceeded,
- ICMP4_time_exceeded_ttl_exceeded_in_transit, 0);
- next0 = IP4_REWRITE_NEXT_ICMP_ERROR;
- }
- if (PREDICT_FALSE(ttl1 <= 0))
- {
- error1 = IP4_ERROR_TIME_EXPIRED;
- vnet_buffer (p1)->sw_if_index[VLIB_TX] = (u32)~0;
- icmp4_error_set_vnet_buffer(p1, ICMP4_time_exceeded,
- ICMP4_time_exceeded_ttl_exceeded_in_transit, 0);
- next1 = IP4_REWRITE_NEXT_ICMP_ERROR;
- }
+ /*
+ * If the ttl drops below 1 when forwarding, generate
+ * an ICMP response.
+ */
+ if (PREDICT_FALSE (ttl1 <= 0))
+ {
+ error1 = IP4_ERROR_TIME_EXPIRED;
+ vnet_buffer (p1)->sw_if_index[VLIB_TX] = (u32) ~ 0;
+ icmp4_error_set_vnet_buffer (p1, ICMP4_time_exceeded,
+ ICMP4_time_exceeded_ttl_exceeded_in_transit,
+ 0);
+ next1 = IP4_REWRITE_NEXT_ICMP_ERROR;
+ }
/* Verify checksum. */
ASSERT (ip0->checksum == ip4_header_checksum (ip0));
ASSERT (ip1->checksum == ip4_header_checksum (ip1));
}
+ else
+ {
+ p1->flags &= ~VNET_BUFFER_LOCALLY_ORIGINATED;
+ }
/* Rewrite packet header and updates lengths. */
adj0 = ip_get_adjacency (lm, adj_index0);
adj1 = ip_get_adjacency (lm, adj_index1);
- if (rewrite_for_locally_received_packets)
- {
- if (PREDICT_FALSE(adj0->lookup_next_index
- == IP_LOOKUP_NEXT_ARP))
- next0_override = IP4_REWRITE_NEXT_ARP;
- if (PREDICT_FALSE(adj1->lookup_next_index
- == IP_LOOKUP_NEXT_ARP))
- next1_override = IP4_REWRITE_NEXT_ARP;
- }
-
- /* Worth pipelining. No guarantee that adj0,1 are hot... */
+ /* Worth pipelining. No guarantee that adj0,1 are hot... */
rw_len0 = adj0[0].rewrite_header.data_bytes;
rw_len1 = adj1[0].rewrite_header.data_bytes;
- vnet_buffer(p0)->ip.save_rewrite_length = rw_len0;
- vnet_buffer(p1)->ip.save_rewrite_length = rw_len1;
-
- /* Check MTU of outgoing interface. */
- error0 = (vlib_buffer_length_in_chain (vm, p0) > adj0[0].rewrite_header.max_l3_packet_bytes
- ? IP4_ERROR_MTU_EXCEEDED
- : error0);
- error1 = (vlib_buffer_length_in_chain (vm, p1) > adj1[0].rewrite_header.max_l3_packet_bytes
- ? IP4_ERROR_MTU_EXCEEDED
- : error1);
-
- next0 = (error0 == IP4_ERROR_NONE)
- ? adj0[0].rewrite_header.next_index : next0;
-
- if (rewrite_for_locally_received_packets)
- next0 = next0 && next0_override ? next0_override : next0;
-
- next1 = (error1 == IP4_ERROR_NONE)
- ? adj1[0].rewrite_header.next_index : next1;
-
- if (rewrite_for_locally_received_packets)
- next1 = next1 && next1_override ? next1_override : next1;
-
- /*
- * We've already accounted for an ethernet_header_t elsewhere
- */
- if (PREDICT_FALSE (rw_len0 > sizeof(ethernet_header_t)))
- vlib_increment_combined_counter
- (&adjacency_counters,
- cpu_index, adj_index0,
- /* packet increment */ 0,
- /* byte increment */ rw_len0-sizeof(ethernet_header_t));
-
- if (PREDICT_FALSE (rw_len1 > sizeof(ethernet_header_t)))
- vlib_increment_combined_counter
- (&adjacency_counters,
- cpu_index, adj_index1,
- /* packet increment */ 0,
- /* byte increment */ rw_len1-sizeof(ethernet_header_t));
-
- /* Don't adjust the buffer for ttl issue; icmp-error node wants
- * to see the IP headerr */
- if (PREDICT_TRUE(error0 == IP4_ERROR_NONE))
- {
- p0->current_data -= rw_len0;
- p0->current_length += rw_len0;
- tx_sw_if_index0 = adj0[0].rewrite_header.sw_if_index;
- vnet_buffer (p0)->sw_if_index[VLIB_TX] =
- tx_sw_if_index0;
-
- if (PREDICT_FALSE
- (clib_bitmap_get (lm->tx_sw_if_has_ip_output_features,
- tx_sw_if_index0)))
- {
- p0->current_config_index =
- vec_elt (cm->config_index_by_sw_if_index,
- tx_sw_if_index0);
- vnet_get_config_data (&cm->config_main,
- &p0->current_config_index,
- &next0,
- /* # bytes of config data */ 0);
- }
- }
- if (PREDICT_TRUE(error1 == IP4_ERROR_NONE))
- {
- p1->current_data -= rw_len1;
- p1->current_length += rw_len1;
-
- tx_sw_if_index1 = adj1[0].rewrite_header.sw_if_index;
- vnet_buffer (p1)->sw_if_index[VLIB_TX] =
- tx_sw_if_index1;
-
- if (PREDICT_FALSE
- (clib_bitmap_get (lm->tx_sw_if_has_ip_output_features,
- tx_sw_if_index1)))
- {
- p1->current_config_index =
- vec_elt (cm->config_index_by_sw_if_index,
- tx_sw_if_index1);
- vnet_get_config_data (&cm->config_main,
- &p1->current_config_index,
- &next1,
- /* # bytes of config data */ 0);
- }
- }
+ vnet_buffer (p0)->ip.save_rewrite_length = rw_len0;
+ vnet_buffer (p1)->ip.save_rewrite_length = rw_len1;
+
+ /* Check MTU of outgoing interface. */
+ error0 =
+ (vlib_buffer_length_in_chain (vm, p0) >
+ adj0[0].
+ rewrite_header.max_l3_packet_bytes ? IP4_ERROR_MTU_EXCEEDED :
+ error0);
+ error1 =
+ (vlib_buffer_length_in_chain (vm, p1) >
+ adj1[0].
+ rewrite_header.max_l3_packet_bytes ? IP4_ERROR_MTU_EXCEEDED :
+ error1);
+
+ next0 = (error0 == IP4_ERROR_NONE)
+ ? adj0[0].rewrite_header.next_index : next0;
+
+ next1 = (error1 == IP4_ERROR_NONE)
+ ? adj1[0].rewrite_header.next_index : next1;
+
+ /*
+ * We've already accounted for an ethernet_header_t elsewhere
+ */
+ if (PREDICT_FALSE (rw_len0 > sizeof (ethernet_header_t)))
+ vlib_increment_combined_counter
+ (&adjacency_counters, cpu_index, adj_index0,
+ /* packet increment */ 0,
+ /* byte increment */ rw_len0 - sizeof (ethernet_header_t));
+
+ if (PREDICT_FALSE (rw_len1 > sizeof (ethernet_header_t)))
+ vlib_increment_combined_counter
+ (&adjacency_counters, cpu_index, adj_index1,
+ /* packet increment */ 0,
+ /* byte increment */ rw_len1 - sizeof (ethernet_header_t));
+
+ /* Don't adjust the buffer for ttl issue; icmp-error node wants
+ * to see the IP headerr */
+ if (PREDICT_TRUE (error0 == IP4_ERROR_NONE))
+ {
+ p0->current_data -= rw_len0;
+ p0->current_length += rw_len0;
+ tx_sw_if_index0 = adj0[0].rewrite_header.sw_if_index;
+ vnet_buffer (p0)->sw_if_index[VLIB_TX] = tx_sw_if_index0;
+
+ vnet_feature_arc_start (lm->output_feature_arc_index,
+ tx_sw_if_index0, &next0, p0);
+ }
+ if (PREDICT_TRUE (error1 == IP4_ERROR_NONE))
+ {
+ p1->current_data -= rw_len1;
+ p1->current_length += rw_len1;
+
+ tx_sw_if_index1 = adj1[0].rewrite_header.sw_if_index;
+ vnet_buffer (p1)->sw_if_index[VLIB_TX] = tx_sw_if_index1;
+
+ vnet_feature_arc_start (lm->output_feature_arc_index,
+ tx_sw_if_index1, &next1, p1);
+ }
/* Guess we are only writing on simple Ethernet header. */
vnet_rewrite_two_headers (adj0[0], adj1[0],
- ip0, ip1,
- sizeof (ethernet_header_t));
+ ip0, ip1, sizeof (ethernet_header_t));
if (is_midchain)
- {
- adj0->sub_type.midchain.fixup_func(vm, adj0, p0);
- adj1->sub_type.midchain.fixup_func(vm, adj1, p1);
- }
+ {
+ adj0->sub_type.midchain.fixup_func (vm, adj0, p0);
+ adj1->sub_type.midchain.fixup_func (vm, adj1, p1);
+ }
vlib_validate_buffer_enqueue_x2 (vm, node, next_index,
to_next, n_left_to_next,
while (n_left_from > 0 && n_left_to_next > 0)
{
- ip_adjacency_t * adj0;
- vlib_buffer_t * p0;
- ip4_header_t * ip0;
+ ip_adjacency_t *adj0;
+ vlib_buffer_t *p0;
+ ip4_header_t *ip0;
u32 pi0, rw_len0, adj_index0, next0, error0, checksum0;
- u32 next0_override;
- u32 tx_sw_if_index0;
-
- if (rewrite_for_locally_received_packets)
- next0_override = 0;
+ u32 tx_sw_if_index0;
pi0 = to_next[0] = from[0];
p0 = vlib_get_buffer (vm, pi0);
- adj_index0 = vnet_buffer (p0)->ip.adj_index[adj_rx_tx];
+ adj_index0 = vnet_buffer (p0)->ip.adj_index[VLIB_TX];
- /* We should never rewrite a pkt using the MISS adjacency */
- ASSERT(adj_index0);
+ /* We should never rewrite a pkt using the MISS adjacency */
+ ASSERT (adj_index0);
adj0 = ip_get_adjacency (lm, adj_index0);
ip0 = vlib_buffer_get_current (p0);
error0 = IP4_ERROR_NONE;
- next0 = IP4_REWRITE_NEXT_DROP; /* drop on error */
+ next0 = IP4_REWRITE_NEXT_DROP; /* drop on error */
/* Decrement TTL & update checksum. */
- if (! rewrite_for_locally_received_packets)
+ if (PREDICT_TRUE (!(p0->flags & VNET_BUFFER_LOCALLY_ORIGINATED)))
{
i32 ttl0 = ip0->ttl;
ASSERT (ip0->checksum == ip4_header_checksum (ip0));
- if (PREDICT_FALSE(ttl0 <= 0))
- {
- /*
- * If the ttl drops below 1 when forwarding, generate
- * an ICMP response.
- */
- error0 = IP4_ERROR_TIME_EXPIRED;
- next0 = IP4_REWRITE_NEXT_ICMP_ERROR;
- vnet_buffer (p0)->sw_if_index[VLIB_TX] = (u32)~0;
- icmp4_error_set_vnet_buffer(p0, ICMP4_time_exceeded,
- ICMP4_time_exceeded_ttl_exceeded_in_transit, 0);
- }
+ if (PREDICT_FALSE (ttl0 <= 0))
+ {
+ /*
+ * If the ttl drops below 1 when forwarding, generate
+ * an ICMP response.
+ */
+ error0 = IP4_ERROR_TIME_EXPIRED;
+ next0 = IP4_REWRITE_NEXT_ICMP_ERROR;
+ vnet_buffer (p0)->sw_if_index[VLIB_TX] = (u32) ~ 0;
+ icmp4_error_set_vnet_buffer (p0, ICMP4_time_exceeded,
+ ICMP4_time_exceeded_ttl_exceeded_in_transit,
+ 0);
+ }
+ }
+ else
+ {
+ p0->flags &= ~VNET_BUFFER_LOCALLY_ORIGINATED;
}
-
- if (rewrite_for_locally_received_packets)
- {
- /*
- * We have to override the next_index in ARP adjacencies,
- * because they're set up for ip4-arp, not this node...
- */
- if (PREDICT_FALSE(adj0->lookup_next_index
- == IP_LOOKUP_NEXT_ARP))
- next0_override = IP4_REWRITE_NEXT_ARP;
- }
/* Guess we are only writing on simple Ethernet header. */
- vnet_rewrite_one_header (adj0[0], ip0,
- sizeof (ethernet_header_t));
-
- /* Update packet buffer attributes/set output interface. */
- rw_len0 = adj0[0].rewrite_header.data_bytes;
- vnet_buffer(p0)->ip.save_rewrite_length = rw_len0;
-
- if (PREDICT_FALSE (rw_len0 > sizeof(ethernet_header_t)))
- vlib_increment_combined_counter
- (&adjacency_counters,
- cpu_index, adj_index0,
- /* packet increment */ 0,
- /* byte increment */ rw_len0-sizeof(ethernet_header_t));
-
- /* Check MTU of outgoing interface. */
- error0 = (vlib_buffer_length_in_chain (vm, p0)
- > adj0[0].rewrite_header.max_l3_packet_bytes
- ? IP4_ERROR_MTU_EXCEEDED
- : error0);
+ vnet_rewrite_one_header (adj0[0], ip0, sizeof (ethernet_header_t));
+
+ /* Update packet buffer attributes/set output interface. */
+ rw_len0 = adj0[0].rewrite_header.data_bytes;
+ vnet_buffer (p0)->ip.save_rewrite_length = rw_len0;
+
+ if (PREDICT_FALSE (rw_len0 > sizeof (ethernet_header_t)))
+ vlib_increment_combined_counter
+ (&adjacency_counters, cpu_index, adj_index0,
+ /* packet increment */ 0,
+ /* byte increment */ rw_len0 - sizeof (ethernet_header_t));
+
+ /* Check MTU of outgoing interface. */
+ error0 = (vlib_buffer_length_in_chain (vm, p0)
+ > adj0[0].rewrite_header.max_l3_packet_bytes
+ ? IP4_ERROR_MTU_EXCEEDED : error0);
p0->error = error_node->errors[error0];
- /* Don't adjust the buffer for ttl issue; icmp-error node wants
- * to see the IP headerr */
- if (PREDICT_TRUE(error0 == IP4_ERROR_NONE))
- {
- p0->current_data -= rw_len0;
- p0->current_length += rw_len0;
- tx_sw_if_index0 = adj0[0].rewrite_header.sw_if_index;
+ /* Don't adjust the buffer for ttl issue; icmp-error node wants
+ * to see the IP headerr */
+ if (PREDICT_TRUE (error0 == IP4_ERROR_NONE))
+ {
+ p0->current_data -= rw_len0;
+ p0->current_length += rw_len0;
+ tx_sw_if_index0 = adj0[0].rewrite_header.sw_if_index;
- vnet_buffer (p0)->sw_if_index[VLIB_TX] = tx_sw_if_index0;
- next0 = adj0[0].rewrite_header.next_index;
+ vnet_buffer (p0)->sw_if_index[VLIB_TX] = tx_sw_if_index0;
+ next0 = adj0[0].rewrite_header.next_index;
if (is_midchain)
- {
- adj0->sub_type.midchain.fixup_func(vm, adj0, p0);
+ {
+ adj0->sub_type.midchain.fixup_func (vm, adj0, p0);
}
- if (PREDICT_FALSE
- (clib_bitmap_get (lm->tx_sw_if_has_ip_output_features,
- tx_sw_if_index0)))
- {
- p0->current_config_index =
- vec_elt (cm->config_index_by_sw_if_index,
- tx_sw_if_index0);
- vnet_get_config_data (&cm->config_main,
- &p0->current_config_index,
- &next0,
- /* # bytes of config data */ 0);
- }
- }
-
- if (rewrite_for_locally_received_packets)
- next0 = next0 && next0_override ? next0_override : next0;
+ vnet_feature_arc_start (lm->output_feature_arc_index,
+ tx_sw_if_index0, &next0, p0);
+
+ }
from += 1;
n_left_from -= 1;
/* Need to do trace after rewrites to pick up new packet data. */
if (node->flags & VLIB_NODE_FLAG_TRACE)
- ip4_forward_next_trace (vm, node, frame, adj_rx_tx);
+ ip4_forward_next_trace (vm, node, frame, VLIB_TX);
return frame->n_vectors;
}
-/** @brief IPv4 transit rewrite node.
- @node ip4-rewrite-transit
+/** @brief IPv4 rewrite node.
+ @node ip4-rewrite
This is the IPv4 transit-rewrite node: decrement TTL, fix the ipv4
header checksum, fetch the ip adjacency, check the outbound mtu,
or @c error-drop
*/
static uword
-ip4_rewrite_transit (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
-{
- return ip4_rewrite_inline (vm, node, frame,
- /* rewrite_for_locally_received_packets */ 0, 0);
-}
-
-/** @brief IPv4 local rewrite node.
- @node ip4-rewrite-local
-
- This is the IPv4 local rewrite node. Fetch the ip adjacency, check
- the outbound interface mtu, apply the adjacency rewrite, and send
- pkts to the adjacency rewrite header's rewrite_next_index. Deal
- with hemorrhoids of the form "some clown sends an icmp4 w/ src =
- dst = interface addr."
-
- @param vm vlib_main_t corresponding to the current thread
- @param node vlib_node_runtime_t
- @param frame vlib_frame_t whose contents should be dispatched
-
- @par Graph mechanics: buffer metadata, next index usage
-
- @em Uses:
- - <code>vnet_buffer(b)->ip.adj_index[VLIB_RX]</code>
- - the rewrite adjacency index
- - <code>adj->lookup_next_index</code>
- - Must be IP_LOOKUP_NEXT_REWRITE or IP_LOOKUP_NEXT_ARP, otherwise
- the packet will be dropped.
- - <code>adj->rewrite_header</code>
- - Rewrite string length, rewrite string, next_index
-
- @em Sets:
- - <code>b->current_data, b->current_length</code>
- - Updated net of applying the rewrite string
-
- <em>Next Indices:</em>
- - <code> adj->rewrite_header.next_index </code>
- or @c error-drop
-*/
-
-static uword
-ip4_rewrite_local (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
+ip4_rewrite (vlib_main_t * vm,
+ vlib_node_runtime_t * node, vlib_frame_t * frame)
{
- return ip4_rewrite_inline (vm, node, frame,
- /* rewrite_for_locally_received_packets */ 1, 0);
+ return ip4_rewrite_inline (vm, node, frame, 0);
}
static uword
ip4_midchain (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
+ vlib_node_runtime_t * node, vlib_frame_t * frame)
{
- return ip4_rewrite_inline (vm, node, frame,
- /* rewrite_for_locally_received_packets */ 0, 1);
+ return ip4_rewrite_inline (vm, node, frame, 1);
}
-VLIB_REGISTER_NODE (ip4_rewrite_node) = {
- .function = ip4_rewrite_transit,
- .name = "ip4-rewrite-transit",
- .vector_size = sizeof (u32),
-
- .format_trace = format_ip4_rewrite_trace,
-
- .n_next_nodes = 3,
- .next_nodes = {
- [IP4_REWRITE_NEXT_DROP] = "error-drop",
- [IP4_REWRITE_NEXT_ARP] = "ip4-arp",
- [IP4_REWRITE_NEXT_ICMP_ERROR] = "ip4-icmp-error",
- },
-};
-
-VLIB_NODE_FUNCTION_MULTIARCH (ip4_rewrite_node, ip4_rewrite_transit)
-
-VLIB_REGISTER_NODE (ip4_midchain_node) = {
- .function = ip4_midchain,
- .name = "ip4-midchain",
- .vector_size = sizeof (u32),
- .format_trace = format_ip4_forward_next_trace,
-
- .sibling_of = "ip4-rewrite-transit",
-};
-
-VLIB_NODE_FUNCTION_MULTIARCH (ip4_midchain_node, ip4_midchain)
-
-VLIB_REGISTER_NODE (ip4_rewrite_local_node) = {
- .function = ip4_rewrite_local,
- .name = "ip4-rewrite-local",
- .vector_size = sizeof (u32),
-
- .sibling_of = "ip4-rewrite-transit",
+VLIB_REGISTER_NODE (ip4_rewrite_node) =
+{
+ .function = ip4_rewrite,.name = "ip4-rewrite",.vector_size =
+ sizeof (u32),.format_trace = format_ip4_rewrite_trace,.n_next_nodes =
+ 2,.next_nodes =
+ {
+ [IP4_REWRITE_NEXT_DROP] = "error-drop",
+ [IP4_REWRITE_NEXT_ICMP_ERROR] = "ip4-icmp-error",}
+,};
- .format_trace = format_ip4_rewrite_trace,
+VLIB_NODE_FUNCTION_MULTIARCH (ip4_rewrite_node, ip4_rewrite);
- .n_next_nodes = 0,
-};
+VLIB_REGISTER_NODE (ip4_midchain_node) =
+{
+.function = ip4_midchain,.name = "ip4-midchain",.vector_size =
+ sizeof (u32),.format_trace = format_ip4_forward_next_trace,.sibling_of =
+ "ip4-rewrite",};
-VLIB_NODE_FUNCTION_MULTIARCH (ip4_rewrite_local_node, ip4_rewrite_local)
+VLIB_NODE_FUNCTION_MULTIARCH (ip4_midchain_node, ip4_midchain);
static clib_error_t *
add_del_interface_table (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
+ unformat_input_t * input, vlib_cli_command_t * cmd)
{
- vnet_main_t * vnm = vnet_get_main();
- clib_error_t * error = 0;
+ vnet_main_t *vnm = vnet_get_main ();
+ clib_error_t *error = 0;
u32 sw_if_index, table_id;
sw_if_index = ~0;
- if (! unformat_user (input, unformat_vnet_sw_interface, vnm, &sw_if_index))
+ if (!unformat_user (input, unformat_vnet_sw_interface, vnm, &sw_if_index))
{
error = clib_error_return (0, "unknown interface `%U'",
format_unformat_error, input);
}
{
- ip4_main_t * im = &ip4_main;
+ ip4_main_t *im = &ip4_main;
u32 fib_index;
fib_index = fib_table_find_or_create_and_lock (FIB_PROTOCOL_IP4,
- table_id);
+ table_id);
//
// FIXME-LATER
im->fib_index_by_sw_if_index[sw_if_index] = fib_index;
}
- done:
+done:
return error;
}
* display the current IPv4 FIB table, use the command '<em>show ip fib</em>'.
* FIB table will only be displayed if a route has been added to the table, or
* an IP Address is assigned to an interface in the table (which adds a route
- * automatically), or '<em>include-empty</em>' is included.
+ * automatically).
*
* @note IP addresses added after setting the interface IP table end up in
* the indicated FIB table. If the IP address is added prior to adding the
* @cliexcmd{set interface ip table GigabitEthernet2/0/0 2}
?*/
/* *INDENT-OFF* */
-VLIB_CLI_COMMAND (set_interface_ip_table_command, static) = {
+VLIB_CLI_COMMAND (set_interface_ip_table_command, static) =
+{
.path = "set interface ip table",
.function = add_del_interface_table,
.short_help = "set interface ip table <interface> <table-id>",
static uword
ip4_lookup_multicast (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
+ vlib_node_runtime_t * node, vlib_frame_t * frame)
{
- ip4_main_t * im = &ip4_main;
- vlib_combined_counter_main_t * cm = &load_balance_main.lbm_to_counters;
- u32 n_left_from, n_left_to_next, * from, * to_next;
+ ip4_main_t *im = &ip4_main;
+ vlib_combined_counter_main_t *cm = &load_balance_main.lbm_to_counters;
+ u32 n_left_from, n_left_to_next, *from, *to_next;
ip_lookup_next_t next;
- u32 cpu_index = os_get_cpu_number();
+ u32 cpu_index = os_get_cpu_number ();
from = vlib_frame_vector_args (frame);
n_left_from = frame->n_vectors;
while (n_left_from > 0)
{
- vlib_get_next_frame (vm, node, next,
- to_next, n_left_to_next);
+ vlib_get_next_frame (vm, node, next, to_next, n_left_to_next);
while (n_left_from >= 4 && n_left_to_next >= 2)
{
- vlib_buffer_t * p0, * p1;
+ vlib_buffer_t *p0, *p1;
u32 pi0, pi1, lb_index0, lb_index1, wrong_next;
ip_lookup_next_t next0, next1;
- ip4_header_t * ip0, * ip1;
- u32 fib_index0, fib_index1;
+ ip4_header_t *ip0, *ip1;
+ u32 fib_index0, fib_index1;
const dpo_id_t *dpo0, *dpo1;
- const load_balance_t * lb0, * lb1;
+ const load_balance_t *lb0, *lb1;
/* Prefetch next iteration. */
{
- vlib_buffer_t * p2, * p3;
+ vlib_buffer_t *p2, *p3;
p2 = vlib_get_buffer (vm, from[2]);
p3 = vlib_get_buffer (vm, from[3]);
ip0 = vlib_buffer_get_current (p0);
ip1 = vlib_buffer_get_current (p1);
- fib_index0 = vec_elt (im->fib_index_by_sw_if_index, vnet_buffer (p0)->sw_if_index[VLIB_RX]);
- fib_index1 = vec_elt (im->fib_index_by_sw_if_index, vnet_buffer (p1)->sw_if_index[VLIB_RX]);
- fib_index0 = (vnet_buffer(p0)->sw_if_index[VLIB_TX] == (u32)~0) ?
- fib_index0 : vnet_buffer(p0)->sw_if_index[VLIB_TX];
- fib_index1 = (vnet_buffer(p1)->sw_if_index[VLIB_TX] == (u32)~0) ?
- fib_index1 : vnet_buffer(p1)->sw_if_index[VLIB_TX];
-
- lb_index0 = ip4_fib_table_lookup_lb (ip4_fib_get(fib_index0),
- &ip0->dst_address);
- lb_index1 = ip4_fib_table_lookup_lb (ip4_fib_get(fib_index1),
- &ip1->dst_address);
+ fib_index0 =
+ vec_elt (im->fib_index_by_sw_if_index,
+ vnet_buffer (p0)->sw_if_index[VLIB_RX]);
+ fib_index1 =
+ vec_elt (im->fib_index_by_sw_if_index,
+ vnet_buffer (p1)->sw_if_index[VLIB_RX]);
+ fib_index0 =
+ (vnet_buffer (p0)->sw_if_index[VLIB_TX] ==
+ (u32) ~ 0) ? fib_index0 : vnet_buffer (p0)->sw_if_index[VLIB_TX];
+ fib_index1 =
+ (vnet_buffer (p1)->sw_if_index[VLIB_TX] ==
+ (u32) ~ 0) ? fib_index1 : vnet_buffer (p1)->sw_if_index[VLIB_TX];
+
+ lb_index0 = ip4_fib_table_lookup_lb (ip4_fib_get (fib_index0),
+ &ip0->dst_address);
+ lb_index1 = ip4_fib_table_lookup_lb (ip4_fib_get (fib_index1),
+ &ip1->dst_address);
lb0 = load_balance_get (lb_index0);
lb1 = load_balance_get (lb_index1);
ASSERT (lb0->lb_n_buckets > 0);
ASSERT (is_pow2 (lb0->lb_n_buckets));
- ASSERT (lb1->lb_n_buckets > 0);
+ ASSERT (lb1->lb_n_buckets > 0);
ASSERT (is_pow2 (lb1->lb_n_buckets));
vnet_buffer (p0)->ip.flow_hash = ip4_compute_flow_hash
- (ip0, lb0->lb_hash_config);
+ (ip0, lb0->lb_hash_config);
vnet_buffer (p1)->ip.flow_hash = ip4_compute_flow_hash
- (ip1, lb1->lb_hash_config);
+ (ip1, lb1->lb_hash_config);
- dpo0 = load_balance_get_bucket_i(lb0,
- (vnet_buffer (p0)->ip.flow_hash &
- (lb0->lb_n_buckets_minus_1)));
- dpo1 = load_balance_get_bucket_i(lb1,
- (vnet_buffer (p1)->ip.flow_hash &
- (lb0->lb_n_buckets_minus_1)));
+ dpo0 = load_balance_get_bucket_i (lb0,
+ (vnet_buffer (p0)->ip.flow_hash &
+ (lb0->lb_n_buckets_minus_1)));
+ dpo1 = load_balance_get_bucket_i (lb1,
+ (vnet_buffer (p1)->ip.flow_hash &
+ (lb1->lb_n_buckets_minus_1)));
next0 = dpo0->dpoi_next_node;
vnet_buffer (p0)->ip.adj_index[VLIB_TX] = dpo0->dpoi_index;
next1 = dpo1->dpoi_next_node;
vnet_buffer (p1)->ip.adj_index[VLIB_TX] = dpo1->dpoi_index;
- if (1) /* $$$$$$ HACK FIXME */
- vlib_increment_combined_counter
- (cm, cpu_index, lb_index0, 1,
- vlib_buffer_length_in_chain (vm, p0));
- if (1) /* $$$$$$ HACK FIXME */
- vlib_increment_combined_counter
- (cm, cpu_index, lb_index1, 1,
- vlib_buffer_length_in_chain (vm, p1));
+ if (1) /* $$$$$$ HACK FIXME */
+ vlib_increment_combined_counter
+ (cm, cpu_index, lb_index0, 1,
+ vlib_buffer_length_in_chain (vm, p0));
+ if (1) /* $$$$$$ HACK FIXME */
+ vlib_increment_combined_counter
+ (cm, cpu_index, lb_index1, 1,
+ vlib_buffer_length_in_chain (vm, p1));
from += 2;
to_next += 2;
n_left_to_next -= 2;
n_left_from -= 2;
- wrong_next = (next0 != next) + 2*(next1 != next);
+ wrong_next = (next0 != next) + 2 * (next1 != next);
if (PREDICT_FALSE (wrong_next != 0))
{
switch (wrong_next)
/* A B B */
vlib_put_next_frame (vm, node, next, n_left_to_next);
next = next1;
- vlib_get_next_frame (vm, node, next, to_next, n_left_to_next);
+ vlib_get_next_frame (vm, node, next, to_next,
+ n_left_to_next);
}
}
}
while (n_left_from > 0 && n_left_to_next > 0)
{
- vlib_buffer_t * p0;
- ip4_header_t * ip0;
+ vlib_buffer_t *p0;
+ ip4_header_t *ip0;
u32 pi0, lb_index0;
ip_lookup_next_t next0;
- u32 fib_index0;
+ u32 fib_index0;
const dpo_id_t *dpo0;
- const load_balance_t * lb0;
+ const load_balance_t *lb0;
pi0 = from[0];
to_next[0] = pi0;
ip0 = vlib_buffer_get_current (p0);
fib_index0 = vec_elt (im->fib_index_by_sw_if_index,
- vnet_buffer (p0)->sw_if_index[VLIB_RX]);
- fib_index0 = (vnet_buffer(p0)->sw_if_index[VLIB_TX] == (u32)~0) ?
- fib_index0 : vnet_buffer(p0)->sw_if_index[VLIB_TX];
+ vnet_buffer (p0)->sw_if_index[VLIB_RX]);
+ fib_index0 = (vnet_buffer (p0)->sw_if_index[VLIB_TX] == (u32) ~ 0) ?
+ fib_index0 : vnet_buffer (p0)->sw_if_index[VLIB_TX];
- lb_index0 = ip4_fib_table_lookup_lb (ip4_fib_get(fib_index0),
- &ip0->dst_address);
+ lb_index0 = ip4_fib_table_lookup_lb (ip4_fib_get (fib_index0),
+ &ip0->dst_address);
lb0 = load_balance_get (lb_index0);
ASSERT (is_pow2 (lb0->lb_n_buckets));
vnet_buffer (p0)->ip.flow_hash = ip4_compute_flow_hash
- (ip0, lb0->lb_hash_config);
+ (ip0, lb0->lb_hash_config);
- dpo0 = load_balance_get_bucket_i(lb0,
- (vnet_buffer (p0)->ip.flow_hash &
- (lb0->lb_n_buckets_minus_1)));
+ dpo0 = load_balance_get_bucket_i (lb0,
+ (vnet_buffer (p0)->ip.flow_hash &
+ (lb0->lb_n_buckets_minus_1)));
next0 = dpo0->dpoi_next_node;
vnet_buffer (p0)->ip.adj_index[VLIB_TX] = dpo0->dpoi_index;
- if (1) /* $$$$$$ HACK FIXME */
- vlib_increment_combined_counter
- (cm, cpu_index, lb_index0, 1,
- vlib_buffer_length_in_chain (vm, p0));
+ if (1) /* $$$$$$ HACK FIXME */
+ vlib_increment_combined_counter
+ (cm, cpu_index, lb_index0, 1,
+ vlib_buffer_length_in_chain (vm, p0));
from += 1;
to_next += 1;
n_left_to_next += 1;
vlib_put_next_frame (vm, node, next, n_left_to_next);
next = next0;
- vlib_get_next_frame (vm, node, next,
- to_next, n_left_to_next);
+ vlib_get_next_frame (vm, node, next, to_next, n_left_to_next);
to_next[0] = pi0;
to_next += 1;
n_left_to_next -= 1;
}
if (node->flags & VLIB_NODE_FLAG_TRACE)
- ip4_forward_next_trace(vm, node, frame, VLIB_TX);
+ ip4_forward_next_trace (vm, node, frame, VLIB_TX);
return frame->n_vectors;
}
-VLIB_REGISTER_NODE (ip4_lookup_multicast_node,static) = {
- .function = ip4_lookup_multicast,
- .name = "ip4-lookup-multicast",
- .vector_size = sizeof (u32),
- .sibling_of = "ip4-lookup",
- .format_trace = format_ip4_lookup_trace,
-
- .n_next_nodes = 0,
-};
-
-VLIB_NODE_FUNCTION_MULTIARCH (ip4_lookup_multicast_node, ip4_lookup_multicast)
-
-VLIB_REGISTER_NODE (ip4_multicast_node,static) = {
- .function = ip4_drop,
- .name = "ip4-multicast",
- .vector_size = sizeof (u32),
+VLIB_REGISTER_NODE (ip4_lookup_multicast_node, static) =
+{
+.function = ip4_lookup_multicast,.name =
+ "ip4-lookup-multicast",.vector_size = sizeof (u32),.sibling_of =
+ "ip4-lookup",.format_trace = format_ip4_lookup_trace,.n_next_nodes = 0,};
- .format_trace = format_ip4_forward_next_trace,
+VLIB_NODE_FUNCTION_MULTIARCH (ip4_lookup_multicast_node,
+ ip4_lookup_multicast);
- .n_next_nodes = 1,
- .next_nodes = {
- [0] = "error-drop",
- },
-};
+VLIB_REGISTER_NODE (ip4_multicast_node, static) =
+{
+ .function = ip4_drop,.name = "ip4-multicast",.vector_size =
+ sizeof (u32),.format_trace = format_ip4_forward_next_trace,.n_next_nodes =
+ 1,.next_nodes =
+ {
+ [0] = "error-drop",}
+,};
-int ip4_lookup_validate (ip4_address_t *a, u32 fib_index0)
+int
+ip4_lookup_validate (ip4_address_t * a, u32 fib_index0)
{
- ip4_fib_mtrie_t * mtrie0;
+ ip4_fib_mtrie_t *mtrie0;
ip4_fib_mtrie_leaf_t leaf0;
u32 lbi0;
lbi0 = ip4_fib_mtrie_leaf_get_adj_index (leaf0);
- return lbi0 == ip4_fib_table_lookup_lb (ip4_fib_get(fib_index0), a);
+ return lbi0 == ip4_fib_table_lookup_lb (ip4_fib_get (fib_index0), a);
}
static clib_error_t *
test_lookup_command_fn (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
+ unformat_input_t * input, vlib_cli_command_t * cmd)
{
+ ip4_fib_t *fib;
u32 table_id = 0;
f64 count = 1;
u32 n;
ip4_address_t ip4_base_address;
u64 errors = 0;
- while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) {
+ while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+ {
if (unformat (input, "table %d", &table_id))
- ;
+ {
+ /* Make sure the entry exists. */
+ fib = ip4_fib_get (table_id);
+ if ((fib) && (fib->index != table_id))
+ return clib_error_return (0, "<fib-index> %d does not exist",
+ table_id);
+ }
else if (unformat (input, "count %f", &count))
;
else if (unformat (input, "%U",
unformat_ip4_address, &ip4_base_address))
- ;
+ ;
else
- return clib_error_return (0, "unknown input `%U'",
- format_unformat_error, input);
- }
+ return clib_error_return (0, "unknown input `%U'",
+ format_unformat_error, input);
+ }
n = count;
for (i = 0; i < n; i++)
{
if (!ip4_lookup_validate (&ip4_base_address, table_id))
- errors++;
+ errors++;
ip4_base_address.as_u32 =
- clib_host_to_net_u32 (1 +
- clib_net_to_host_u32 (ip4_base_address.as_u32));
+ clib_host_to_net_u32 (1 +
+ clib_net_to_host_u32 (ip4_base_address.as_u32));
}
if (errors)
* @cliexend
?*/
/* *INDENT-OFF* */
-VLIB_CLI_COMMAND (lookup_test_command, static) = {
- .path = "test lookup",
- .short_help = "test lookup <ipv4-addr> [table <fib-id>] [count <nn>]",
- .function = test_lookup_command_fn,
+VLIB_CLI_COMMAND (lookup_test_command, static) =
+{
+ .path = "test lookup",
+ .short_help = "test lookup <ipv4-addr> [table <fib-id>] [count <nn>]",
+ .function = test_lookup_command_fn,
};
/* *INDENT-ON* */
-int vnet_set_ip4_flow_hash (u32 table_id, u32 flow_hash_config)
+int
+vnet_set_ip4_flow_hash (u32 table_id, u32 flow_hash_config)
{
- ip4_main_t * im4 = &ip4_main;
- ip4_fib_t * fib;
- uword * p = hash_get (im4->fib_index_by_table_id, table_id);
+ ip4_main_t *im4 = &ip4_main;
+ ip4_fib_t *fib;
+ uword *p = hash_get (im4->fib_index_by_table_id, table_id);
if (p == 0)
return VNET_API_ERROR_NO_SUCH_FIB;
static clib_error_t *
set_ip_flow_hash_command_fn (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
{
int matched = 0;
u32 table_id = 0;
u32 flow_hash_config = 0;
int rv;
- while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) {
- if (unformat (input, "table %d", &table_id))
- matched = 1;
+ while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (input, "table %d", &table_id))
+ matched = 1;
#define _(a,v) \
else if (unformat (input, #a)) { flow_hash_config |= v; matched=1;}
- foreach_flow_hash_bit
+ foreach_flow_hash_bit
#undef _
- else break;
- }
+ else
+ break;
+ }
if (matched == 0)
return clib_error_return (0, "unknown input `%U'",
- format_unformat_error, input);
+ format_unformat_error, input);
rv = vnet_set_ip4_flow_hash (table_id, flow_hash_config);
switch (rv)
* @cliexcmd{set ip flow-hash table 7 dst sport dport proto}
* Example of display the configured flow hash:
* @cliexstart{show ip fib}
- * Table 0, fib_index 0, flow hash: src dst sport dport proto
- * Destination Packets Bytes Adjacency
- * 172.16.2.0/24 0 0 weight 1, index 5
- * 172.16.2.1/24
- * 172.16.2.1/32 0 0 weight 1, index 6
- * 172.16.2.1/24
- * Table 7, fib_index 1, flow hash: dst sport dport proto
- * Destination Packets Bytes Adjacency
- * 172.16.1.0/24 0 0 weight 1, index 3
- * 172.16.1.1/24
- * 172.16.1.1/32 1 98 weight 1, index 4
- * 172.16.1.1/24
- * 172.16.1.2/32 0 0 weight 1, index 7
- * GigabitEthernet2/0/0
- * IP4: 02:fe:6a:07:39:6f -> 16:d9:e0:91:79:86
+ * ipv4-VRF:0, fib_index 0, flow hash: src dst sport dport proto
+ * 0.0.0.0/0
+ * unicast-ip4-chain
+ * [@0]: dpo-load-balance: [index:0 buckets:1 uRPF:0 to:[0:0]]
+ * [0] [@0]: dpo-drop ip6
+ * 0.0.0.0/32
+ * unicast-ip4-chain
+ * [@0]: dpo-load-balance: [index:1 buckets:1 uRPF:1 to:[0:0]]
+ * [0] [@0]: dpo-drop ip6
+ * 224.0.0.0/8
+ * unicast-ip4-chain
+ * [@0]: dpo-load-balance: [index:3 buckets:1 uRPF:3 to:[0:0]]
+ * [0] [@0]: dpo-drop ip6
+ * 6.0.1.2/32
+ * unicast-ip4-chain
+ * [@0]: dpo-load-balance: [index:30 buckets:1 uRPF:29 to:[0:0]]
+ * [0] [@3]: arp-ipv4: via 6.0.0.1 af_packet0
+ * 7.0.0.1/32
+ * unicast-ip4-chain
+ * [@0]: dpo-load-balance: [index:31 buckets:4 uRPF:30 to:[0:0]]
+ * [0] [@3]: arp-ipv4: via 6.0.0.2 af_packet0
+ * [1] [@3]: arp-ipv4: via 6.0.0.2 af_packet0
+ * [2] [@3]: arp-ipv4: via 6.0.0.2 af_packet0
+ * [3] [@3]: arp-ipv4: via 6.0.0.1 af_packet0
+ * 240.0.0.0/8
+ * unicast-ip4-chain
+ * [@0]: dpo-load-balance: [index:2 buckets:1 uRPF:2 to:[0:0]]
+ * [0] [@0]: dpo-drop ip6
+ * 255.255.255.255/32
+ * unicast-ip4-chain
+ * [@0]: dpo-load-balance: [index:4 buckets:1 uRPF:4 to:[0:0]]
+ * [0] [@0]: dpo-drop ip6
+ * ipv4-VRF:7, fib_index 1, flow hash: dst sport dport proto
+ * 0.0.0.0/0
+ * unicast-ip4-chain
+ * [@0]: dpo-load-balance: [index:12 buckets:1 uRPF:11 to:[0:0]]
+ * [0] [@0]: dpo-drop ip6
+ * 0.0.0.0/32
+ * unicast-ip4-chain
+ * [@0]: dpo-load-balance: [index:13 buckets:1 uRPF:12 to:[0:0]]
+ * [0] [@0]: dpo-drop ip6
+ * 172.16.1.0/24
+ * unicast-ip4-chain
+ * [@0]: dpo-load-balance: [index:17 buckets:1 uRPF:16 to:[0:0]]
+ * [0] [@4]: ipv4-glean: af_packet0
+ * 172.16.1.1/32
+ * unicast-ip4-chain
+ * [@0]: dpo-load-balance: [index:18 buckets:1 uRPF:17 to:[1:84]]
+ * [0] [@2]: dpo-receive: 172.16.1.1 on af_packet0
+ * 172.16.1.2/32
+ * unicast-ip4-chain
+ * [@0]: dpo-load-balance: [index:21 buckets:1 uRPF:20 to:[0:0]]
+ * [0] [@5]: ipv4 via 172.16.1.2 af_packet0: IP4: 02:fe:9e:70:7a:2b -> 26:a5:f6:9c:3a:36
+ * 172.16.2.0/24
+ * unicast-ip4-chain
+ * [@0]: dpo-load-balance: [index:19 buckets:1 uRPF:18 to:[0:0]]
+ * [0] [@4]: ipv4-glean: af_packet1
+ * 172.16.2.1/32
+ * unicast-ip4-chain
+ * [@0]: dpo-load-balance: [index:20 buckets:1 uRPF:19 to:[0:0]]
+ * [0] [@2]: dpo-receive: 172.16.2.1 on af_packet1
+ * 224.0.0.0/8
+ * unicast-ip4-chain
+ * [@0]: dpo-load-balance: [index:15 buckets:1 uRPF:14 to:[0:0]]
+ * [0] [@0]: dpo-drop ip6
+ * 240.0.0.0/8
+ * unicast-ip4-chain
+ * [@0]: dpo-load-balance: [index:14 buckets:1 uRPF:13 to:[0:0]]
+ * [0] [@0]: dpo-drop ip6
+ * 255.255.255.255/32
+ * unicast-ip4-chain
+ * [@0]: dpo-load-balance: [index:16 buckets:1 uRPF:15 to:[0:0]]
+ * [0] [@0]: dpo-drop ip6
* @cliexend
?*/
/* *INDENT-OFF* */
-VLIB_CLI_COMMAND (set_ip_flow_hash_command, static) = {
+VLIB_CLI_COMMAND (set_ip_flow_hash_command, static) =
+{
.path = "set ip flow-hash",
.short_help =
"set ip flow-hash table <table-id> [src] [dst] [sport] [dport] [proto] [reverse]",
};
/* *INDENT-ON* */
-int vnet_set_ip4_classify_intfc (vlib_main_t * vm, u32 sw_if_index,
- u32 table_index)
+int
+vnet_set_ip4_classify_intfc (vlib_main_t * vm, u32 sw_if_index,
+ u32 table_index)
{
- vnet_main_t * vnm = vnet_get_main();
- vnet_interface_main_t * im = &vnm->interface_main;
- ip4_main_t * ipm = &ip4_main;
- ip_lookup_main_t * lm = &ipm->lookup_main;
- vnet_classify_main_t * cm = &vnet_classify_main;
+ vnet_main_t *vnm = vnet_get_main ();
+ vnet_interface_main_t *im = &vnm->interface_main;
+ ip4_main_t *ipm = &ip4_main;
+ ip_lookup_main_t *lm = &ipm->lookup_main;
+ vnet_classify_main_t *cm = &vnet_classify_main;
ip4_address_t *if_addr;
if (pool_is_free_index (im->sw_interfaces, sw_if_index))
return VNET_API_ERROR_NO_SUCH_ENTRY;
vec_validate (lm->classify_table_index_by_sw_if_index, sw_if_index);
- lm->classify_table_index_by_sw_if_index [sw_if_index] = table_index;
+ lm->classify_table_index_by_sw_if_index[sw_if_index] = table_index;
if_addr = ip4_interface_first_address (ipm, sw_if_index, NULL);
if (NULL != if_addr)
- {
+ {
fib_prefix_t pfx = {
- .fp_len = 32,
- .fp_proto = FIB_PROTOCOL_IP4,
- .fp_addr.ip4 = *if_addr,
+ .fp_len = 32,
+ .fp_proto = FIB_PROTOCOL_IP4,
+ .fp_addr.ip4 = *if_addr,
};
u32 fib_index;
- fib_index = fib_table_get_index_for_sw_if_index(FIB_PROTOCOL_IP4,
- sw_if_index);
-
-
- if (table_index != (u32) ~0)
- {
- dpo_id_t dpo = DPO_NULL;
+ fib_index = fib_table_get_index_for_sw_if_index (FIB_PROTOCOL_IP4,
+ sw_if_index);
- dpo_set(&dpo,
- DPO_CLASSIFY,
- DPO_PROTO_IP4,
- classify_dpo_create(FIB_PROTOCOL_IP4,
- table_index));
- fib_table_entry_special_dpo_add(fib_index,
- &pfx,
- FIB_SOURCE_CLASSIFY,
- FIB_ENTRY_FLAG_NONE,
- &dpo);
- dpo_reset(&dpo);
- }
+ if (table_index != (u32) ~ 0)
+ {
+ dpo_id_t dpo = DPO_INVALID;
+
+ dpo_set (&dpo,
+ DPO_CLASSIFY,
+ DPO_PROTO_IP4,
+ classify_dpo_create (DPO_PROTO_IP4, table_index));
+
+ fib_table_entry_special_dpo_add (fib_index,
+ &pfx,
+ FIB_SOURCE_CLASSIFY,
+ FIB_ENTRY_FLAG_NONE, &dpo);
+ dpo_reset (&dpo);
+ }
else
- {
- fib_table_entry_special_remove(fib_index,
- &pfx,
- FIB_SOURCE_CLASSIFY);
- }
- }
+ {
+ fib_table_entry_special_remove (fib_index,
+ &pfx, FIB_SOURCE_CLASSIFY);
+ }
+ }
return 0;
}
static clib_error_t *
set_ip_classify_command_fn (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
{
u32 table_index = ~0;
int table_index_set = 0;
u32 sw_if_index = ~0;
int rv;
- while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) {
- if (unformat (input, "table-index %d", &table_index))
- table_index_set = 1;
- else if (unformat (input, "intfc %U", unformat_vnet_sw_interface,
- vnet_get_main(), &sw_if_index))
- ;
- else
- break;
- }
+ while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (input, "table-index %d", &table_index))
+ table_index_set = 1;
+ else if (unformat (input, "intfc %U", unformat_vnet_sw_interface,
+ vnet_get_main (), &sw_if_index))
+ ;
+ else
+ break;
+ }
if (table_index_set == 0)
return clib_error_return (0, "classify table-index must be specified");
* @cliexcmd{set ip classify intfc GigabitEthernet2/0/0 table-index 1}
?*/
/* *INDENT-OFF* */
-VLIB_CLI_COMMAND (set_ip_classify_command, static) = {
+VLIB_CLI_COMMAND (set_ip_classify_command, static) =
+{
.path = "set ip classify",
.short_help =
"set ip classify intfc <interface> table-index <classify-idx>",
};
/* *INDENT-ON* */
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
Code Review / vpp.git / blobdiff